文章基本信息

标题：Authorship Distribution and Collaboration in LIS Open Access Journals: A Scopus based analysis during 2001 to 2015.
作者：Barik, Nilaranjan ; Jena, Puspanjali
期刊名称：Library Philosophy and Practice
印刷版ISSN：1522-0222
出版年度：2018
期号：September
出版社：University of Idaho Library
摘要：Introduction

Scientific publishing is undergoing significant changes due to immense growth of online publications and increases in the number of open access journals. Most leading publishers like Elsevier, Taylor and Francis, Springer and others have introduced open access journals in a big way and their acceptance among authors for publishing articles has also increased. Open access journals are gaining its popularity because of free availability of articles on the public internet, permitting any users to read, download, copy, distribute, print, search, or link to the full texts of these articles. As the numbers of open access journals are growing in a big way, it's a challenge for the authors to identify the best journals for their research and publications. So, the present study entitled "Authorship Distribution and Collaboration in LIS Open Access Journals: A Scopus based analysis during 2001 to 2015" is an attempt to analyzed the authorship pattern, collaboration index, degree of collaboration, collaboration coefficient, author productivity, and ranking of prolific authors of LIS open access journals covered in the study during the period 2001 to 2015. The study will be a useful for the authors and researchers in the field of Library and Information Science to be aware about the ongoing trend of authorship, research collaboration, author's productivity of LIS open access journals.

Literature Review

The author have referred so many research papers and articles related to authorship studies of LIS journals to have a clear understanding of ongoing trend of authorship studies and to find out some possible ways to carry out the present study smoothly in a qualitative way.

Authorship Distribution and Collaboration in LIS Open Access Journals: A Scopus based analysis during 2001 to 2015.

Barik, Nilaranjan ; Jena, Puspanjali

Authorship Distribution and Collaboration in LIS Open Access Journals: A Scopus based analysis during 2001 to 2015.

Introduction

Scientific publishing is undergoing significant changes due to immense growth of online publications and increases in the number of open access journals. Most leading publishers like Elsevier, Taylor and Francis, Springer and others have introduced open access journals in a big way and their acceptance among authors for publishing articles has also increased. Open access journals are gaining its popularity because of free availability of articles on the public internet, permitting any users to read, download, copy, distribute, print, search, or link to the full texts of these articles. As the numbers of open access journals are growing in a big way, it's a challenge for the authors to identify the best journals for their research and publications. So, the present study entitled "Authorship Distribution and Collaboration in LIS Open Access Journals: A Scopus based analysis during 2001 to 2015" is an attempt to analyzed the authorship pattern, collaboration index, degree of collaboration, collaboration coefficient, author productivity, and ranking of prolific authors of LIS open access journals covered in the study during the period 2001 to 2015. The study will be a useful for the authors and researchers in the field of Library and Information Science to be aware about the ongoing trend of authorship, research collaboration, author's productivity of LIS open access journals.

Literature Review

The author have referred so many research papers and articles related to authorship studies of LIS journals to have a clear understanding of ongoing trend of authorship studies and to find out some possible ways to carry out the present study smoothly in a qualitative way.

Parameswaran and Smitha (2001) examine the 60 issues of Library and Information Science Abstracts (LISA), published from 1994-1998, and reveal that single authors publications were greater in number than collaborative work as covered by LISA. Tiew, Abdullah and Kaur (2001) carry out a bibliometric examination of all the journal articles published in the Malaysian Journal of Library & Information Science from 1996-2000 and reveal that the percentage of multi-authored papers is slightly higher at 52.6%. Bharvi, Garg and Bali (2003) analyze the 1317 papers published in first fifty volumes during 1978 to 2001 of the international journal of Scientometric and show that the journal is dominated by the single authored papers; however, multi authored papers are gaining momentum. Similar pattern has been observed for domestic and international collaboration. Uzun (2004) identifies an increase in the share of collaborative papers contributed by authors in JASIST, Journal of Documentation, Journal of Information Science (JIS), and Information Processing & Management (IP&M). Mittal, Sharma & Singh (2006) present in their study of 536 papers covering to library and information science education from 1995 to 2004 and reveal that most of the papers are contributed by single authors (72.8%) contribution and only less numbers of papers are collaborated by two and more authors. Verma, Rajnish and Priyanka (2007) reveal that most of the contributions of the journal Annals of Library and Information Studies are contributed by single author. Mukherjee (2009) reveals the collaborative authorship pattern of the Journal of the American Society for Information Science and Technology (JASIST) during the period 2000 to 2007. Park (2010) studies the authorship characteristics of journal D-Lib Magazine and reveals that the source journal is dominated by single author contributions with 77% of papers. Pradhan and Chandrakar (2011) find in their study that Indian LIS authors' contribution to scholarly publication is moving towards single to two authors as 75.88 % articles covered in the study are contributed by two authors. Thanuskodi (2011) presents the authorship pattern of the journal Library Herald for the period 2006 to 2010 and reveals that out of 138 articles covered in the study single author contributions are 72 (52.17%) articles and rest 66 (47.83%) articles are contributed by joint authors. Warraich and Ahmad (2011) analyze Pakistan Journal of Library and Information Science (PJLIS) during 1995 to 2010 and reveal that the authors' collaboration is clearly visible in the journal PJLIS. Ardanuy (2012) analyzes the level of co-authorship of Spanish research in Library and Information Science (LIS) until 2009 and found a significant increase in all co-authorship, including publications in English and those involving international collaboration. Priya and Khaparde (2012) elucidate the trends of authorship pattern and authors' collaborative research in their study covering with a sample of 12263 LIS articles that single authored contributions are dominant in the journal Library Management. Thanuskodi (2012) shows the authorship pattern of DESIDOC Journal of Library and Information Technology covering to a total of 199 articles published in the journal and finds that 116 articles, out of 199 articles are contributed by joint authors while the rest 83 articles are contributed by single author. Yank and Lee (2012) assess the research patterns and trends of library and information science (LIS) in Korea and find an increasing trend for research collaboration among LIS authors. Ardanuy (2013) shows the scientific output of Library and Information Science in Spain during 2006-2010 and reveal that the authorship pattern of published works indicates towards multi authorship. Barik and Jena (2013) analyse the authorship patterns of journal Trends in Information Management and reveal that the source journal is dominant by joint authorship pattern. The degree of authors' collaboration is not so strong in the journal. However, the journal constitutes 28% of foreign authors' contributions. Khaparde (2013) reveals in the study E- Journals in Library and Information Science: A bibliometric study that joint authorship has dominated the research where male authors have the dominance over gender with (66.28%) of total publications and collaborative research with (64.11%) publications. Khurshid (2013) measures the quality of articles published in foreign LIS journals by Pakistani authors and reveals that the authorship patterns show a shift from single-authorship to collaborative authorship. Pandita (2013) undertakes a bibliometric study of Annals of Library and Information Studies (ALIS) journal during the last decade and finds that 65.81% articles of the journal are contributed on co-authorship pattern. Swain, Swain and Rautaray (2013) examine the scholarly communications in Library Review (LR) from 2007 to 2011 and to reveal that single authored articles occupy the prominent position indicating the supremacy of solo research in Library Review. The degree of collaboration in the publications of this journal is found to be 0.36. Satpathy, Maharana and Das (2014) investigate the scholarly communications in open access journals of Library & Information Science and show that single authored papers are found to be the highest (40.48 percent), followed by two-authored and then three-authored papers. The degree of collaboration is found to be between 0.33 and 0.8. Singh and Chander (2014) explore the authorship pattern of the journal Library Management, and highlight that the journal has produced majority of the contributions by single authors during the period 2006-2012. Swain (2014) shows the authorship patterns of International Information and Library Review from 2004 to 2013 and highlights that majority of papers are published in single authorship mode followed by two-authorship mode. It is seen that contributions in three-authorship and more than three-authorship mode are quite less. The degree of collaboration is found to be 0.45, indicating less intensity of collaborative trend of research. Das (2015) highlights the authorship pattern and research collaboration in the area of Informetrics based on 420 scholarly communications appeared in the Journal of Informetrics during 2007 to 2013. Study illustrates various significant aspects like types and trends of authorship, author productivity, degree of collaboration, collaborative index, geographical diffusion and institutional diversification of authorship. Swain (2015) shows the authorship patterns of Library Hi Tech from 2004 to 2013 and highlights that the majority of papers are produced in single authorship mode followed by two-authorship mode. The degree of collaboration (DC) in Library Hi Tech publications is found to be 0.519 indicating less intensity of collaborative trend of research. Verma, Sonkar and Gupta (2015) show the authorship pattern of Library Philosophy and Practice from 2005 to 2014 and reveal that single authorship is leading authorship trend in the journal and the rate of degree of collaboration is 0.51. Vellaichamy and Jeyshankar (2015) analyse the 158 papers published in the journal Webology during the period 2004-2013 and reveal that single authorship possess a lead role in the journal. Zakaria (2015) studies the authorship pattern of Arab Librarians who published in Library and Information Science journals. The study analyses the journal research publications in Library and Information Science journals by professional librarians from 1981 to 2010. Single-author articles are found to be highly followed by two and three authored articles. The average degree of collaboration between authors in Library and Information Science journals is 9.64% (only 19 journal articles written by at least two or three authors). Khan (2016) explores the bibliometric analysis of the LIBRI: International Journal of Libraries and Information Services during the period of 2011-2015. The result shows that out of 140 research articles 63(45%) articles are contributed by single authored whereas, 77(55%) articles were contributed by multi-authored. The average degree of author collaboration was 0.55 which ranges from 0.57 to 0.58. Shukla and Moyon (2017) analyze the bibliometric analysis of Indian open access LIS journal for five years from 2011 to 2015 covering 218 publications and reveal that two authorship patterns is prevelant with 0.66 degree of collaboration. Suresh (2017) examines authorship pattern of 556 papers published in Journal of Documentation during 2003 to 2015 and finds that almost half of the total publications published by single authors.

Objectives of the study

The main objectives of the present study are;

* To establish an idea on yearly distribution of publications of LIS open access journals,

* To know the journal wise distribution of authorship pattern,

* To identify the strength of Single Vrs Collaborative authorship,

* To identify the Collaborative Index (CI), Degree of Collaboration (DC), and Collaborative Coefficient (CC) of authors,

* To study the author's productivity,

* To trace authorship patterns by country of authors, and most prolific authors

Scope & Limitations

The scope of the present study is limited to only open access journals published in the field of Library and Information Science and indexed in Scopus database. The study is to focus on the journals which are only registered under Directory of Open Access Journals (DOAJ) and indexed for a period of 15 years uninterruptedly. The period of study is to cover from the year 2001 to 2015. The source journals are identified by consulting the Scopus database pertaining to the following criterion to avoid unnecessary influence and ambiguity in selecting the journals. The criterion followed are: i) The journal must have published in an open access platform and registered in Directory of Open Access Journals (DOAJ; ii) The journal must have indexed in Scopus database for a period of 15 years continuously from the year 2001-2015 and there must not be discontinuation of any year; iii) Publication status of journal must be showing Active as on 31st December, 2015.

Based on the aforesaid criterion for selecting of journals, the study found 10 numbers of Scopus indexed open access Library and Information Science journals fitting to the study. The journals covered in the study with their abbreviation are; i) College and Research Libraries (LRL), ii) D-Lib Magazine (D-Lib), iii) Information Research (IR), iv) Information Technology and Libraries (ITL), v) Informing Sciences (IS), vi) Journal of the Medical Library Association (JMLA), vii) LIBER Quarterly (LIBERQ), viii) Library and Information Science Research (LISR), ix) Libres (LIBRES), x) School Library Media Research (SLMR).

Methodology

The publications of selected 10 journals were searched individually one by one ranging from the year 2001 to 2015 in the Scopus database. The required data were exported in an excel spreadsheet and analyzed using some statistical methods like average, mean, percentage etc. The gathered data were tabulated for final presentation of the results.

Results & Discussions

Year wise Distribution of LIS Open Access Publications

Table 1 depicts the year wise distribution of 10 LIS open access journals covered in the study. During the period 2001 to 2015, a total numbers of 5208 publications are indexed in Scopus database. The year wise distribution of publications show that in the year 2002, a highest number of 433(8.31%) publications were witnessed followed by the year 2003 with 416(7.99%) publications, and 2006 with 405(7.78%) publications. The year 2013 has witnessed a very low numbers of publications with 285(5.47%).

It is observed in the study that, the year wise distribution of journals do not show any increasing trend, however the cumulative numbers of distribution shows a steady growth of publications. Further it is seen that, not a single journal is strict to a constant numbers of publications by its issues or by its volumes. Every journal has a distribution of random numbers of publications in each year. Figure 1 shows the year wise distribution of publications.

Distribution of Authorship Pattern

Table 2 shows the authorship pattern of the LIS open access journals covered in the study. During the period 2001 to 2015, single authorship contribution is dominant with highest 2791(53.59%) publications, followed by two authorship contribution with 1209(23.21%) publications, and three authorship contribution with 627(12.04%) publications. The data set shows that, there are no such established research groups in this area or the researchers are not interested to publish their research by collaborative authorship. Further, the study throws light in the journal wise authorship pattern and finds that, JMLA is the only LIS open access journals having [greater than or equal to] 2 mean authorship while other journals have [greater than or equal to] 1 mean authorship. The average mean of authorship has found to be 1.93. This means the authorship pattern of LIS open access journals clearly indicates towards single authorship publications.

Further it is observed that D-Lib has produced highest 2579(25.59%) authorship followed by JMLA with 2322(23.04%) authorship and IR with 1230(12.21%) authorship. The lowest percentage of authorship has been contributed by the journal SLMR with 173(1.72%). Figure 2 illustrates the authorship pattern and mean of authorship of the LIS open access journals covered in the study.

Single Authorship Vrs Collaborative Authorship

In the present study, table 3 shows the number of single vrs collaborative authored publications. Single authored publications have shown an increasing trend throughout the period of study except the years 2009, 2010, 2011, 2013, and 2014. Out of 5208 publications highest 2791(53.59%) publications were contributed with Single Authorship and only 2417(46.41%) publications were contributed by Collaborative Authorship contribution. Further it is seen that a total of 10077 authorship have been counted for 5208 publications. The mean of authorship per publication is seen at 1.95 which is less than 2 or far from collaboration. So, the present dataset shows that LIS open access journals do not favor collaborative research. The year wise Single authorship Vrs Collaborative authorship is depicted in figure 3.

Collaborative Index (CI), Degree of Collaboration (DC), and Collaborative Coefficient (CC) among authors

The Collaborative Index (CI), Degree of Collaboration (DC), and Collaborative Coefficient (CC) among authors in LIS open access journals covered in the study are shown in table 4. Collaborative Index is a mean number of authors per publication. The formula used to identify Collaborative Index of authors per publication is; CI = (total publications)/ (total collaborative authors). The CI mean value in the present study shows to be 0.73 which is so weak at its label.

For analysis of Degree of Collaboration among authors, the study has applied the Subramanian's equation of C = ([N.sub.m]/[N.sub.m] + [N.sub.s]) where; C = degree of collaboration, [N.sub.m] = number of multi-authored work, and [N.sub.s] = number of single-authored works to examine the extent of research collaboration among LIS authors and prominent area of inquiry indicating the patterns of single and joint authors' publication. It is observed that, the DC value has ranged up and down from minimum 0.58 to maximum 0.87 which shows a weak intensity of author's collaboration at 0.72. Correspondingly, the Collaboration Co-efficient value which measures the extent and strength of collaboration among the authors shows at 0.29 which is also so weak at its level. This implies that, the LIS open access journals are far from collaborative research. Figure 4 clearly shows the graphical presentation of CI,DC, and CC values of LIS open access journals.

Author's Productivity and Applicability of Lotka's Law

Lotka's inverse square law of scientific productivity is a widely used law for bibliometric mapping of research outputs and authors' productivity in any discipline of knowledge. Lotka's law states that the number of authors making n contributions is about 1/[n.sup.2] of those making one; and the proportion of all contributors, that make a single contribution, is about 60 percent. This means that out of all the authors in a given field, 60 percent will have just one publication, and 15 percent will have two publications, 7 percent of authors will have three publications and so on. Table 5 shows the author's productivity and applicability of Lotka's law to the following data set. The study finds that with one article contribution 2791 (53.59%) authors are both observed and expected. Whereas for two articles contribution 1209 (23.21%) authors are observed and 1223 (23.48%) authors expected. Again for three articles contribution 627(12.04%) authors observed and 755(14.50%) authors expected. So, in this following data set it is found that the numbers of authors observed are somehow equal with the numbers of authors expected. So, the study fits to Lotka's law of scientific productivity. Figure 5 shows the authors observed and authors expected value for the present data set.

Lotk'a formula for scientific productivity of authors has been applied in the present study as [X.sup.n]Y = C and Y = C/[X.sup.n] Where, X = number of publications, Y= relative frequency of authors with 'X' publications, and C= constants depending on the specified field.

Putting the value of X = 1 and Y = 2791, the calculation obtained is;

1n.2791 = C

=> C=2791

Again putting the value of X = 2 and Y = 1209 and C = 2791 the calculation obtained is;

2n.1209 = 2791

=> 2n= 2791/1209

=> nlog2 = log2.308

=> n(0.301) = 0.361

=> n= 2.30/0.301

=> n=1.19

Testing of K-S Goodness-of-Fit for Author's Productivity

The K-S (Kolmogorov- Smirnov) test is a statistical method to test the applicability of Lotka's Law to a set of data. The K-S test determines the maximum deviation of D, where D= Max [Fo(x)-Sn(x)]

Fo(x) = Theoretical cumulative frequency function

Sn(x) = Observed cumulative frequency function of a sample of n observations.

At a 0.01 level of significance, the K-S statistics is equal to 1.63/[square root] n. If D is greater than the K-S statistics, then the sample distribution does not fit the theoretical distribution. In the present study, table 6, shows the value of D is -0.0067 which is lesser than the K-S statistics i.e. 1.63/[square root] 5208= 0.0225. The value of D is lesser than 0.0225, and therefore Lotka's generalized formula with exponent value "n"= (1.19), somehow fit to the LIS open access publications.

Ranking of Prolific Authors

The study have identified 10077 authorship for publication of 5208 papers across the 83 countries (excluding unidentified countries) of the world during the period 2001 to 2015. It is observed that in the rank of 20 most prolific authors, there are 108 authors have been identified. Out of these 108 authors 82 from United States, 7 from UK, 4 each from Canada and Italy, 3 from Australia, 2 each from Israel and Netherlands, and 1 each from Austria, Finland, Germany, and South Korea. Wilson, B. of Corporation for National Research Initiatives, Reston, United States has contributed maximum 74(1.42%) papers and ranked top amongst all contributing authors. The other most prolific authors are Hernon, P. of Simmons College, Boston, United States with 62(1.19%) papers, followed by Schwartz, C. of Simmons College, Boston, United States with 55(1.06%) papers, Wilson, T of USA with 45(0.86%) papers, and Lannom, L. of Corporation for National Research Initiatives, Reston, United States with 35(0.67%). A detailed list of prolific authors is depicted in table 7.

Most cited Authorship

Table 8 shows the most cited authorship of LIS open access journals during the period 2001 to 2015. Amongst the 10077 authorship across the 83 countries, the most cited authors have been identified based on their citations count. Wilson T.D. is in top among all the authors with 407(0.94%) citations followed by Hammond T., Hannay T., Lund B., Scott J. with 294(0.68%) citations, Levy Y., Ellis T.J. with 277(0.64%) citations and so on. It is seen that among the top 100 highly cited authorship, there are 37 highly cited authorship are from single authorship contribution and 63 are from collaborative contribution. So, the trend shows that collaborative contributions are highly cited by LIS authors and researchers. Table 9 shows the detailed list of most cited authorship.

Country wise Authorship Distribution

The country wise distribution of authorship has been counted based on the country of origin of the corresponding author. Authors from 83 countries (excluding unidentified countries) across the world are active in publication of their research in LIS open access journals. Amongst them authors from America and Europe are the leaders. Table 9 shows that United States of America (USA) is the top country producing of 2822(54.19%) authors alone followed by United Kingdom (UK) with 372(7.14%) authors, Canada with 242(4.65%) authors, Australia with 176(3.38%) authors and so on. United States of America alone contributes more than fifty percent of authorship to the LIS open access journals. Amongst the Asian countries China, Singapore and Taiwan are much ahead of India. The developing countries like India should give more emphasis on their authors to aware them for open access publications.

Key Findings

The key findings of the study are presented as under:

* During the period 2001-2015, it is observed in the study that, the year wise distribution of journals do not show any increasing trend, however the cumulative numbers of distribution shows a steady growth of publications.

* The authorship pattern of LIS open access journals shows that single authorship contribution is dominant with highest 2791(53.59%) publications.

* The Collaborative Index mean value in the present study shows to be 0.73 which is so weak at its label. The Degree of Collaboration value shows a weak intensity of author's collaboration at 0.72. Correspondingly, the Collaboration Co-efficient value shows at 0.29 which is also so weak at its level. This implies that, the LIS open access journals do not favour for collaborative research.

* The value of D is lesser than 0.0225, and therefore Lotka's generalized formula with exponent value "n"= (1.19), somehow fit to the LIS open access publications.

* Wilson, B. of Corporation for National Research Initiatives, Reston, United States has contributed maximum 74(1.42%) papers and ranked top amongst all contributing authors. Based on the citations count Wilson T.D. is in top among all the authors with 407(0.94%) citations.

* Authors from 83 countries across the world are active in publication of their research in LIS open access journals. Amongst them authors from America and Europe are the leaders, and United States of America (USA) is the top country producing of 2822(54.19%) authors alone

Conclusion

The present day research is fast embracing open access platforms because of greater visibility of publications with considerable impact and influence. As it has posed tough challenges for LIS researchers, academicians and librarians to select specific journals that promise quality and impact, some front line open access journals have proved their mettle to be chosen as the right channel of publications to follow suit. Contextually, the present study has rightly addressed the trends of authorship, research collaboration, author's productivity, prolific authors, geographical distribution of authors of 10 selected open access LIS journals that have gained immense popularity with high reputation. Geographically scattered contributors and the quantum of citations received by different articles published in these open access journals indicates the quality of publications brought out by these journals. This in fact, will motivate the LIS researchers, academicians and librarians to bank on open access journals to insure academic and research excellence in different parts of the world.

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Nilaranjan Barik

KIIT University, Bhubaneswar-751024, nilaranjan.barik@kiitac.in

Puspanjali Jena

Utkal University, Bhubaneswar-04, pjutkal1987@yahoo.co.in

Mr. Nilaranjan Barik

Asst. Librarian, KIIT University, Bhubaneswar-751024, India

Email--nilaranjan.barik@kiit.ac.in

Prof. (Dr.) Puspanjali Jena

Professor, Post Graduate Dept. of Library and Information Science

Utkal University, Bhubaneswar-751004, India

Email--pjutkal1987@yahoo.co.in

Caption: Figure 1: Year wise Distribution of Publications

Caption: Figure 3: Single Authorship Vrs Collaborative Authorship

Caption: Figure 4: CI, DC & CC of authors

Caption: Figure 5: Authors observed and authors expected

Table 1: Year wise Distribution of Publications

Sl No   Publication   CRL   D-LIB   IR    ITL   IS    JM    LIB
           Year                                       LA    ERQ

i          2001       34     191    47    24    14     2    37
2          2002       40     178    28    25    19    67    42
3          2003       28     157    23    33    23    68    45
4          2004       18     115    51    21     8    75    44
5          2005       28     79     40    29    15    S3    31
6          2006       35     106    43    32    14    S3    41
7          2007       34     63     52    24    15    SI    28
3          2003       32     59     35    23    15    58    49
9          2009       42     74     41    31     6    62    12
10         2010       37     42     52    34     7    61    31
11         2011       39     44     56    32     4    52    16
12         2012       33     41     52    32     3    60    37
13         2013       40     43     52    26     7    53     3
14         2014       46     53     52    19     2    51    IS
15         2015       63     67     46    27     7    62    13
Total                 554   1317    675   417   159   918   452

Sl No   LISR   LIB   SL    Total   Percentage (%)   Cumulative
               RES   MR

i        26     6     6     387         7.43           387
2        24     5     5     433         8.31           820
3        26    10     3     416         7.99           1236
4        29    11     2     374         7.18           1610
5        30     3     6     349         6.70           1959
6        33     7     6     405         7.78           2364
7        32     9     3     346         6.64           2710
3        34    12     5     327         6.28           3037
9        33     3     6     315         6.05           3352
10       36     7     7     314         6.03           3666
11       43     6    11     303         5.82           3969
12       40     1    14     313         6.11           4287
13       41     7     3     235         5.47           4572
14       28     h     7     292         5.61           4364
15       45     7     7     344         6.61           5208
Total   500    115   101   5208        100.00           --

Sl No     Cumulative
        Percentage (%)

i            7.43
2           15.75
3           23.73
4           30.91
5           37.62
6           45.39
7           52.04
3           58.31
9           64.36
10          70.39
11          76.21
12          82.32
13          87.79
14          93.39
15          100.00
Total         --

Table 2: Distribution of Authorship Pattern

Sl No   Source Journal      Distribution of Authorship Pattern
        (abbreviated)
                          One      Two     Three    Four    Five

1       CRL               240      201       68      30       4
2       D-LIB             773      230      152      68      37
3       IR                422       79      103      42      16
4       ITL               270       86       39      13       6
5       IS                 72       57       16      11       3
6       JMLA              352      210      145      95      55
7       LIBER             347       77       16       6       5
8       LISR              192      216       56      24       7
9       LIBRES             S3       29       13       3       2
10      SLMR               55       24       19       2       1
        Total             2791     1209     627      294     136
        Percentage (%)   53.59%   23.21%   12.04%   5.65%   2.61%

Sl No   Source Journal        Distribution of Authorship Pattern
        (abbreviated)
                          Six    Seven   Eight   Nine     Ten    >Ten

1       CRL                5       5       1       0       0       0
2       D-LIB             27       9       8       9       0       4
3       IR                 7       2       1       1       2       0
4       ITL                1       2       0       0       0       0
5       IS                 0       0       0       0       0       0
6       JMLA              26      13      10       5       3       4
7       LIBER              0       0       1       0       0       0
8       LISR               1       0       1       1       1       1
9       LIBRES             0       0       0       0       0       0
10      SLMR               0       0       0       0       0       0
        Total             67      31      22      16       6       9
        Percentage (%)   1.29%   0.60%   0.42%   0.31%   0.12%   0.17%

Sl No   Source Journal   Total      Total       Mean of        % of
        (abbreviated)    Papers   Authorship   Authorship   Authorship

1       CRL               554        1059         1.91        10.51
2       D-LIB             1317       2579         1.96        25.59
3       IR                675        1230         1.82        12.21
4       ITL               417        661          1.59         6.56
5       IS                159        293          1.84         2.91
6       JMLA              918        2322         2.53        23.04
7       LIBER             452        606          1.34         6.01
8       LISR              500        967          1.93         9.60
9       LIBRES            115        187          1.63         1.86
10      SLMR              101        173          1.71         1.72
        Total             5208      10077         1.93        100.00
        Percentage (%)   100.00

Table 3: Single Authorship Vrs Collaborative Authorship

SL No            Publication      Total       Single Authored
                    Year       Publications

                                               No.       %

1                   2001           387         249     64.34
2                   2002           433         293     68.82
3                   2003           416         237     56.97
4                   2004           374         193     51.60
5                   2005           349         213     61.03
6                   2006           405         225     55.56
7                   2007           346         188     54.34
8                   2008           327         174     53.21
9                   2000           315         136     43.17
10                  2010           314         156     49.68
11                  2011           303         147     48.51
12                  2012           318         163     52.83
13                  2013           285         114     40.00
14                  2014           292          95     32.53
15                  2015           344         193     57.56
                    Total          5208        2791    53.59
Percentage (%)                   100.00%      53.59%

SL No             Collaborative     Total         % of
                    Authored      Authorship   Authorship

                  No.       %

1                 138     35.66      616          6.11
2                 135     31.18      710          7.05
3                 179     43.03      773          7.67
4                 131     48.40      703          6.98
5                 136     33.97      650          6.45
6                 180     44.44      794          7.88
7                 158     45.66      683          6.78
8                 153     46.79      609          6.04
9                 179     56.83      645          6.40
10                158     50.32      605          6.00
11                156     51.49      622          6.17
12                150     47.17      640          6.35
13                171     60.00      650          6.45
14                197     67.47      708          7.03
15                146     42.44      669          6.64
                  2417    46.41     10077        100.00
Percentage (%)   46.41%                           6.67

SL No            Mean of Autorship
                  per Publication

1                      1.59
2                      1.64
3                      1.86
4                      1.88
5                      1.36
6                      1.96
7                      1.97
8                      1.86
9                      2.05
10                     1.93
11                     2.05
12                     2.01
13                     2.28
14                     2.42
15                     1.94
                       1.93
Percentage (%)         1.95

Table 4: Collaborative Index (CI), Degree of Collaboration (DC), and
Collaborative Coefficient (CC)

SL No            Publication      Year wise Authorship Distribution
                    Year
                                 1        2        3        4       5

1                   2001        249       91       30       5       6
2                   2002        298       56       47      19       6
3                   2003        237      112       32      15       7
4                   2004        193      105       42      16       9
5                   2005        213       56       35      23      14
6                   2006        225       87       47      20       9
7                   2007        188       72       44      22      11
8                   200S        174       S9       31      19       7
9                   2000        136       91       49      25       7
10                  2010        156       89       39      17       5
11                  2011        147       73       44      18       9
12                  2012        168       58       53      21      10
13                  2013        114       92       30      19      14
14                  2014         95       91       48      31      13
15                  2015        198       47       56      24       9
                    Total       2791     1209     627      294     136
Percentage (%)                 53.59%   23.21%   12.04%   5.65%   2.61%

SL No                    Year wise Authorship Distribution

                   6       7       8       9      10      More
                                                         than 10

1                  3       0       2       0       0        1
2                  3       1       1       1       0        1
3                  5       3       2       0       1        2
4                  4       2       1       1       1        0
5                  2       3       2       1       0        0
6                  6       4       2       2       2        1
7                  4       2       0       1       0        2
8                  3       0       1       3       0        0
9                  5       1       1       0       0        0
10                 5       0       0       2       0        1
11                 6       4       2       0       0        0
12                 0       3       3       2       0        0
13                 6       3       5       1       1        0
14                 9       3       0       0       1        1
15                 6       2       0       2       0        0
                  67      31      22      16       6        9
Percentage (%)   1.29%   0.60%   0.42%   0.31%   0.12%    0.17%

SL No               Total         Total          CI            DC
                 Publications   Authorship

1                    387           616          1.05          0.60
2                    433           710          1.05          0.58
3                    416           773          0.78          0.69
4                    374           703          0.73          0.73
5                    349           650          0.80          0.67
6                    405           794          0.71          0.72
7                    346           683          0.70          0.72
8                    327           609          0.75          0.71
9                    315           645          0.62          0.79
10                   314           605          0.70          0.74
11                   303           622          0.64          0.76
12                   318           640          0.67          0.74
13                   235           650          0.53          0.82
14                   292           708          0.48          0.87
15                   344           669          0.73          0.70
                     5208         10077         0.71          0.72
Percentage (%)      100.00                   Mean (0.73)   Mean (0.72)

SL No                CC

1                   0.20
2                   0.19
3                   0.25
4                   0.29
5                   0.25
6                   0.28
7                   0.28
8                   0.28
9                   0.24
10                  0.20
11                  0.22
12                  0.20
13                  0.37
14                  0.42
15                  0.27
                    0.29
Percentage (%)   Mean (0.29)

Table 5: Authors observed and authors expected

No. of          No. of     Percentage (%)   No. of     Percentage (%)
Contributions   Authors                     Authors
"X"             observed                    expected
                  "Y"                        (n=2)

1                 2791         53.59          2791         53.59
2                 1209         23.21          698          13.40
3                 627          12.04          310           5.95
4                 294           5.65          174           3.34
5                 136           2.61          930          17.86
6                  67           1.29           78           1.50
7                  31           0.60           57           1.09
8                  22           0.42           44           0.84
9                  16           0.31           34           0.65
10                 6            0.12           28           0.54
11                 3            0.06           23           0.44
12                 --           0.00           19           0.36
13                 2            0.04           17           0.33
14                 1            0.02           14           0.27
15                 --           0.00           12           0.23
16                 1            0.02           11           0.21
17                 --           0.00           10           0.19
18                 1            0.02           9            0.17
19                 --           0.00           8            0.15
20                 --           0.00           7            0.13
21                 --           0.00           6            0.12
22                 --           0.00           6            0.12
23                 --           0.00           5            0.10
24                 --           0.00           5            0.10
25                 --           0.00           4            0.08
26                 1            0.02           4            0.08

No. of          No. of     Percentage (%)   No. of     Percentage (%)
Contributions   Authors                     Authors
"X"             expected                    expected
                 (n=3)                      (n=1.19)

1                 2791         53.59          2791         53.59
2                 349           6.70          1223         23.48
3                 103           1.98          755          14.50
4                  44           0.84          536          10.29
5                  22           0.42          411           7.89
6                  13           0.25          331           6.36
7                  8            0.15          275           5.28
8                  5            0.10          235           4.51
9                  4            0.08          204           3.92
10                 3            0.06          180           3.46
11                 2            0.04          161           3.09
12                 2            0.04          145           2.78
13                 1            0.02          132           2.53
14                 1            0.02          121           2.32
15                 0            0.00          111           2.13
16                 0            0.00          103           1.98
17                 0            0.00           95           1.82
18                 0            0.00           90           1.73
19                 0            0.00           84           1.61
20                 0            0.00           79           1.52
21                 0            0.00           74           1.42
22                 0            0.00           71           1.36
23                 0            0.00           67           1.29
24                 0            0.00           64           1.23
25                 0            0.00           61           1.17
26                 0            0.00           58           1.11

Table 6: K-S Goodness-of-Fit for Author's Productivity

No. of                            Observed Authors
Contributions
"X"                 No. of         Cumulative       Relative
                  Authors "Y"      Frequency    Frequency {Sn(x)}

1                     2791            2791           0.5359
2                     1209            4000           0.7630
3                     627             4627           0.SSS4
4                     294             4921           0.9449
5                     136             5057           0.9710
6                      67             5124           0.9339
7                      31             5155           0.9393
3                      22             5177           0.9940
9                      16             5193           0.9971
10                     6              5199           0.9933
11                     3              5202           0.9933
12                     0              5202           0.9933
13                     2              5204           0.9992
14                     1              5205           0.9994
15                     0              5205           0.9994
16                     1              5206           0.9996
17                     0              5206           0.9996
IS                     1              5207           0.9993
19                     0              5207           0.9993
20                     0              5207           0.9993
21                     0              5207           0.9993
22                     0              5207           0.9993
23                     0              5207           0.9993
24                     0              5207           0.9993
25                     0              5207           0.9993
26                     1              5208           1.0000
                      5208

K-S statistics = 1.63/[square root of (n = 5208)]

No. of                            Expected Authors
Contributions
"X"                 No. of         Cumulative       Relative
                Authors (n=1.19)   Frequency    Frequency {Fo(x)}

1                     2791            2791           0.3300
2                     1223            4014           0.4746
3                     755             4769           0.5639
4                     536             5305           0.6273
5                     411             5716           0.6759
6                     331             6047           0.7150
7                     275             6322           0.7475
3                     235             6557           0.7753
9                     204             6761           0.7995
10                    180             6941           0.8207
11                    161             7102           0.8398
12                    145             7247           0.8569
13                    132             7379           0.8725
14                    121             7500           0.8868
15                    111             7611           0.9000
16                    103             7714           0.9121
17                     95             7809           0.9234
IS                     90             7899           0.9340
19                     34             7983           0.9440
20                     79             8062           0.9533
21                     74             8136           0.9620
22                     71             8207           0.9704
23                     67             8274           0.9784
24                     64             8338           0.9859
25                     61             8399           0.9931
26                     53             8457           1.0000
                      8457

K-S statistics = 1.63/[square root of (n = 5208)]

No. of            Deviation         Dmax
Contributions   D=Fo(x)-Sn(x)   [Fo(x)-Sn(x)]
"X"

1                  -0.2059         -0.0067
2                  -0.2934
3                  -0.3245
4                  -0.3176
5                  -0.2951
6                  -0.2683
7                  -0.2423
3                  -0.2187
9                  -0.1977
10                 -0.1775
11                 -0.1591
12                 -0.1419
13                 -0.1267
14                 -0.1126
15                 -0.0995
16                 -0.0875
17                 -0.0762
IS                 -0.0658
19                 -0.0559
20                 -0.0465
21                 -0.0378
22                 -0.0294
23                 -0.0214
24                 -0.0139
25                 -0.0067
26                 0.0000

K-S statistics = 1.63/             0.0225
[square root (n = 5208)]

Table 7: Ranking of Prolific Authors

Sl No         Author            Country         No. of Publications in
                                                 the Source Journals

                                            CRL   D-LIB   IR   ITL   IS

1       Wilson, B.            USA                  74
2       Hernon, P.            USA            7
3       Schwartz, C.          USA
4       Wilson, T.            USA                         45
5       Lannom, L.            USA                  35
6       Plutchak, T.S.        USA
7       Savolainen, R.        UK                          11
8       Wilson, T.D.          USA                         19
9       Giuse, N.B.           USA
10      Nelson, M.L.          USA                  17
11      Morris, C.M.          USA                  16
12      Bakker, T.            USA
13      Truitt, M.            Canada                           15
14      Walter, S.            USA           15
15      Starr, S.             USA
16      Brooks, T.A.          USA                         13
17      Julien, H.            Canada                      3
18      Van De Sompel, H.     USA                  13
19      Ayris, P.             Germany
20      Williamson, K.        Australia                   4
21      Angevaare, I.         Netherlands
22      Dekeyser, R.          USA
23      Dilevko, J.           Canada         3
24      Eldredge, J.D.        USA
25      Epstein, B.A.         USA
26      Lagoze, C.            USA                  11
27      Tennant, M.R.         USA
28      Thelwall, M.          UK                          4
29      Branin, J.            USA           10
30      Castelli, D.          Italy                 8
31      Gill, T.G.            USA                                    10
32      Jerome, R.N.          USA
33      Rauber, A.            Austria              10
34      Shipman, J.P.         USA
35      Alpi, K.M.            USA
36      Gross, M.             USA            2
37      Jaeger, P.T.          USA                               4
38      King, D.W.            USA                   9
39      Manghi, P.            Italy                 9
40      Stvilia, B.           USA
41      Webb, J.              USA                               9
42      Aharony, N.           Israel         3
43      Allard, S.            USA                   3     2
44      Ankem, K.             USA                         2
45      Bertot, J.C.          USA                               5
46      Byrd, G.D.            USA
47      De Groote, S.L.       USA
48      Fox, E.A.             USA                   8
49      Gerrity, B.           Australia                         8
50      Knoth, P.             UK                    8
51      Luo, L.               USA
52      McClure, C.R.         USA                               3
53      Murphy, S.A.          USA            2
54      Shenton, H.           UK
55      Shultz, M.            USA
56      Anderson, T.D.        Australia                   7
57      Bronstein, J.         Israel                      5
58      Dutcher, G.A.         USA
59      Given, L.M.           Canada
60      Harnad, S.            UK                    7
61      Koonce, T.Y.          USA
62      Kwon, N.              USA            2            2
63      Lipscomb, C.E.        USA
64      Maggio, L.A.          USA
65      McClure,              USA
        L.W.
66      McGowan, J.J.         USA
67      Sathe, N.A.           USA
68      Shedlock, J.          USA
69      Small, R.V.           USA
70      Sumner, T.            USA                   7
71      Tanner, S.            UK                    7
72      Tannery, N.H.         USA
73      Tenopir, C.           USA                   4
74      Vaughan, J.           USA                               7
75      Winston, M.D.         USA            3
76      Wood, F.B.            USA
77      Blecic, D.D.          USA            4
78      Candela, L.           Italy                 6
79      Choudhury, G.S.       USA                   6
80      Cogdill, K.W.         USA
81      Connaway, L.S.        USA            3
82      Crane, G.             USA                   6
83      Cyzyk, M.             USA                               6
84      Dehmlow, M.           USA                               6
85      DiLauro, T.           USA                   6
86      Dorsch, J.L.          USA
87      Fisher, K.E.          USA                         4
88      Fulda, P.O.           USA
89      Hickey, T.B.          USA                   6
90      Huber, J.T.           USA
91      Jarvelin, K.          Finland                     6
92      Kim, S.               South Korea                 3
93      Kronenfeld, M.R.      USA
94      Markey, K.            USA            2      4
95      Marmion, D.           USA                               6
96      Martin, E.R.          USA
97      Miller, P.            UK                    6
98      Montiel-Overall, P.   USA
99      Oh, S.                USA                         2
100     Olney, C.A.           USA
101     Pagano, P.            Italy                 6
102     Rethlefsen, M.L.      USA
103     Scherrer, C.S.        USA
104     te Boekhorst, P.      USA
105     Van Veen, T.          Netherlands           6
106     Warner, S.            USA                   6
107     Weller, A.C.          USA            2
108     Wessel, C.B.          USA

2991 Authors with range of 5-1 publications each

Sl No             No. of Publications in
                   the Source Journals

        JMLA   LIBER   LISR   LIBRE   SLMR

1
2                       55
3                       55
4
5
6        21
7                       8
8
9        18
10
11
12              15
13
14
15       14
16
17                      10
18
19              12
20                      6              2
21              11
22              11
23                      8
24       11
25       11
26
27       11
28                      6       1
29
30               2
31
32       10
33
34       10
35       9
36                      6              1
37                      5
38
39
40                      9
41
42                      5
43                      3
44       2              3       1
45               1      2
46       8
47       8
48
49
50
51                      7       1
52                      4       1
53       6
54               8
55       8
56
57                      2
58       7
59                      6       1
60
61       7
62                      3
63       7
64       7
65       7
66       7
67       7
68       7
69                                     7
70
71
72       7
73                      3
74
75                      4
76       7
77       2
78
79
80       6
81                      3
82
83
84
85
86       6
87                      2
88       6
89
90       6
91
92       3
93       6
94
95
96       6
97
98                      4              2
99                      4
100      6
101
102      6
103      6
104              6
105
106
107      4
108      6

2991 Authors with range of 5-1 publications each

Sl No                         Total     Percentage   Rank
                             (n=5208)      (%)

1                               74        1.42%       1
2                               62        1.19%       2
3                               55        1.06%       3
4                               45        0.86%       4
5                               35        0.67%       5
6                               21        0.40%       6
7                               19        0.36%       7
8                               19        0.36%       7
9                               18        0.35%       8
10                              17        0.33%       9
11                              16        0.31%       10
12                              15        0.29%       11
13                              15        0.29%       11
14                              15        0.29%       11
15                              14        0.27%       12
16                              13        0.25%       13
17                              13        0.25%       13
18                              13        0.25%       13
19                              12        0.23%       14
20                              12        0.23%       14
21                              11        0.21%       15
22                              11        0.21%       15
23                              11        0.21%       15
24                              11        0.21%       15
25                              11        0.21%       15
26                              11        0.21%       15
27                              11        0.21%       15
28                              11        0.21%       15
29                              10        0.19%       16
30                              10        0.19%       16
31                              10        0.19%       16
32                              10        0.19%       16
33                              10        0.19%       16
34                              10        0.19%       16
35                              9         0.17%       17
36                              9         0.17%       17
37                              9         0.17%       17
38                              9         0.17%       17
39                              9         0.17%       17
40                              9         0.17%       17
41                              9         0.17%       17
42                              8         0.15%       18
43                              8         0.15%       18
44                              8         0.15%       18
45                              8         0.15%       18
46                              8         0.15%       18
47                              8         0.15%       18
48                              8         0.15%       18
49                              8         0.15%       18
50                              8         0.15%       18
51                              8         0.15%       18
52                              8         0.15%       18
53                              8         0.15%       18
54                              8         0.15%       18
55                              8         0.15%       18
56                              7         0.13%       19
57                              7         0.13%       19
58                              7         0.13%       19
59                              7         0.13%       19
60                              7         0.13%       19
61                              7         0.13%       19
62                              7         0.13%       19
63                              7         0.13%       19
64                              7         0.13%       19
65                              7         0.13%       19
66                              7         0.13%       19
67                              7         0.13%       19
68                              7         0.13%       19
69                              7         0.13%       19
70                              7         0.13%       19
71                              7         0.13%       19
72                              7         0.13%       19
73                              7         0.13%       19
74                              7         0.13%       19
75                              7         0.13%       19
76                              7         0.13%       19
77                              6         0.12%       20
78                              6         0.12%       20
79                              6         0.12%       20
80                              6         0.12%       20
81                              6         0.12%       20
82                              6         0.12%       20
83                              6         0.12%       20
84                              6         0.12%       20
85                              6         0.12%       20
86                              6         0.12%       20
87                              6         0.12%       20
88                              6         0.12%       20
89                              6         0.12%       20
90                              6         0.12%       20
91                              6         0.12%       20
92                              6         0.12%       20
93                              6         0.12%       20
94                              6         0.12%       20
95                              6         0.12%       20
96                              6         0.12%       20
97                              6         0.12%       20
98                              6         0.12%       20
99                              6         0.12%       20
100                             6         0.12%       20
101                             6         0.12%       20
102                             6         0.12%       20
103                             6         0.12%       20
104                             6         0.12%       20
105                             6         0.12%       20
106                             6         0.12%       20
107                             6         0.12%       20
108                             6         0.12%       20

2991 Authors with range of     4043       77.63%      --
5-1 publications each

Table 8: Most cited Authors

Sl No.     Most Cited Authorship                 Total     Percentage
                                               Citations      (%)

1          Wilson T.D.                            407         0.94
2          Hammond T., Hannay T., Lund B.,        294         0.68
           Scott J.
3          Levy Y., Ellis T.J.                    277         0.64
4          Saha S., Saint S., Christakis          269         0.62
           D.A.
5          Borlund P.                             225         0.52
6          Savolainen R.                          219         0.5
7          Harnad S., Brody T.                    216         0.5
8          Case D.O., Andrews J.E., Johnson       198         0.46
           J.D., Allard S.L.
9          Guy M., Tonkin E.                      188         0.43
10         Glanville J.M., Lefebvre C.,           177         0.41
           Miles J.N.V., Camosso-Stefinovic
           J.
11         Heinstrom J.                           173         0.4
12         Wong S.S.-L., Wilczynski N.L.,         168         0.39
           Haynes R.B.
13         Knight S.-A., Burn J.                  162         0.37
14         Duval E., Hodgins W., Sutton S.,       160         0.37
           Weibel S.L.
15         Hildreth P.M., Kimble C.               157         0.36
16         Gross M., Latham D.                    153         0.35
17         Coumou H.C.H., Meijman F.J.            150         0.35
18         Foster N.F., Gibbons S.                147         0.34
19         Bates M.J.                             135         0.31
20         Whitmire E.                            134         0.31
21         Jansen B.J.                            131         0.3
22         Davis P.M.                             129         0.3
23         Charnigo L., Barnett-Ellis P.          124         0.29
24         Smith M., Bass M., McClellan G.,       124         0.29
           Tansley R., Barton M.,
           Branschofsky M., Stuve D.,
           Walker J.H.
25         Ankem K.                               123         0.28
26         Choo C.W.                              120         0.28
27         Bjork B.-C.                            114         0.26
28         Connaway L.S., Dickey T.J.,            114         0.26
           Radford M.L.
29         Lewis D.W.                             114         0.26
30         Johnson C.A.                           113         0.26
31         Shill H.B., Tonner S.                  112         0.26
32         Iannella R.                            107         0.25
33         Lynch C.A., Lippincott J.K.            107         0.25
34         Hartley J.                             106         0.24
35         Aharony N.                             104         0.24
36         Bauer K., Bakkalbasi N.                102         0.23
37         Bouthillier F., Shearer K.             102         0.23
38         Van De Sompel H., Beit-Arie O.         101         0.23
39         Davis P.M., Connolly M.J.L.            100         0.23
40         Virkus S.                              100         0.23
41         Frazier K.                             99          0.23
42         Spink A., Cole C.                      99          0.23
43         Dee C., Stanley E.E.                   98          0.23
44         Grimes D.J., Boening C.H.              96          0.22
45         Jaeger P.T., Thompson K.M.             96          0.22
46         Cullen R.J.                            95          0.22
47         Maughan P.D.                           95          0.22
48         Plutchak T.S.                          95          0.22
49         Hall H., Davison B.                    94          0.22
50         Lynch B.P., Smith K.R.                 94          0.22
51         Cogdill K.W.                           91          0.21
52         Antelman K., Lynema E., Pace A.K.      90          0.21
53         Thelwall M.                            89          0.2
54         Hsieh-Yee I.                           88          0.2
55         Majid S., Foo S., Luyt B., Zhang       88          0.2
           X., Theng Y.-L., Chang Y.-K.,
           Mokhtar I.A.
56         Jarvelin K., Ingwersen P.              87          0.2
57         Tenopir C., King D.W., Boyce P.,       84          0.19
           Grayson M., Zhang Y., Ebuen M.
58         McGowan J., Sampson M.                 83          0.19
59         Shultz M.                              83          0.19
60         Bjork B.-C., Roos A., Lauri, M.        82          0.19
61         George C., Bright A., Hurlbert         82          0.19
           T., Linke E.C., St. Clair G.,
           Stein J.
62         Hernon P., Powell R.R., Young          82          0.19
           A.P.
63         Kuh G.D., Gonyea R.M.                  82          0.19
64         Evans D.                               81          0.19
65         Julien H., Barker S.                   81          0.19
66         Lund B., Hammond T., Flack M.,         81          0.19
           Hannay T.
67         Tenopir C., King D.W., Bush A.         81          0.19
68         Holley R.                              79          0.18
69         Shank J.D., Dewald N.H.                79          0.18
70         Jarvelin K., Wilson T.D.               76          0.18
71         Kwon N.                                76          0.18
72         Sollaci L.B., Pereira M.G.             75          0.17
73         Van De Sompel H., Nelson M.L.,         75          0.17
           Lagoze C., Warner S.
74         Andrews J.E., Pearce K.A., Ireson      74          0.17
           C., Love M.M.
75         Ponzi L.J., Koenig M.                  74          0.17
76         Burkell J.                             73          0.17
77         Agosto D.E., Hughes-Hassell S.         72          0.17
78         Kim K.-S.                              72          0.17
79         Mackey T.P., Jacobson T.E.             72          0.17
80         Agosto D.E.                            71          0.16
81         Chua A.Y.K., Goh D.H.                  71          0.16
82         De Groote S.L., Dorsch J.L.            71          0.16
83         Dervin B.                              71          0.16
84         Johnson R.K.                           71          0.16
85         Booth A.                               70          0.16
86         Herring S.D.                           70          0.16
87         Marchionini G., Geisler G.             70          0.16
88         Tabatabai D., Shore B.M.               70          0.16
89         Van De Sompel H., Payette S.,          70          0.16
           Erickson J., Lagoze C., Warner S.
90         Foley M.                               69          0.16
91         McGillis L., Toms E.G.                 68          0.16
92         Hayslett M.M., Wildemuth B.M.          66          0.15
93         Hendrix D., Chiarella D., Hasman       66          0.15
           L., Murphy S., Zafron M.L.
94         Nesset V., Large A.                    66          0.15
95         Shah C., Oh S., Oh J.S.                66          0.15
96         Xie H.                                 65          0.15
97         Nisonger T.E., Davis C.H.              65          0.15
98         Urquhart C., Light A., Thomas R.,      65          0.15
           Barker A., Yeoman A., Cooper J.,
           Armstrong C., Fenton R., Lonsdale
           R., Spink S.
99         Dorsch J.L., Aiyer M.K., Meyer         64          0.15
           L.E.
100        Fisher K.E., Marcoux E., Miller        64          0.15
           L.S., Sanchez A., Cunningham E.R.
101-3188   Other 3088 authorship                 32446       74.72
TOTAL                                            43424        100

Sl No.     Cumulative   Percentage   Rank
           Citations       (%)

1             407          0.94       1
2             701          1.61       2
3             978          2.25       3
4             1247         2.87       4
5             1472         3.39       5
6             1691         3.89       6
7             1907         4.39       7
8             2105         4.85       8
9             2293         5.28       9
10            2470         5.69       10
11            2643         6.09       11
12            2811         6.47       12
13            2973         6.85       13
14            3133         7.21       14
15            3290         7.58       15
16            3443         7.93       16
17            3593         8.27       17
18            3740         8.61       18
19            3875         8.92       19
20            4009         9.23       20
21            4140         9.53       21
22            4269         9.83       22
23            4393        10.12       22
24            4517        10.40       22
25            4640        10.69       23
26            4760        10.96       24
27            4874        11.22       25
28            4988        11.49       25
29            5102        11.75       25
30            5215        12.01       26
31            5327        12.27       27
32            5434        12.51       28
33            5541        12.76       28
34            5647        13.00       29
35            5751        13.24       30
36            5853        13.48       31
37            5955        13.71       31
38            6056        13.95       32
39            6156        14.18       33
40            6256        14.41       33
41            6355        14.63       33
42            6454        14.86       33
43            6552        15.09       34
44            6648        15.31       35
45            6744        15.53       35
46            6839        15.75       35
47            6934        15.97       35
48            7029        16.19       35
49            7123        16.40       35
50            7217        16.62       35
51            7308        16.83       36
52            7398        17.04       37
53            7487        17.24       38
54            7575        17.44       39
55            7663        17.65       39
56            7750        17.85       40
57            7834        18.04       41
58            7917        18.23       42
59            8000        18.42       42
60            8082        18.61       43
61            8164        18.80       43
62            8246        18.99       43
63            8328        19.18       43
64            8409        19.36       43
65            8490        19.55       43
66            8571        19.74       43
67            8652        19.92       43
68            8731        20.11       44
69            8810        20.29       44
70            8886        20.46       45
71            8962        20.64       45
72            9037        20.81       46
73            9112        20.98       46
74            9186        21.15       47
75            9260        21.32       47
76            9333        21.49       48
77            9405        21.66       49
78            9477        21.82       49
79            9549        21.99       49
80            9620        22.15       50
81            9691        22.32       50
82            9762        22.48       50
83            9833        22.64       50
84            9904        22.81       50
85            9974        22.97       51
86           10044        23.13       51
87           10114        23.29       51
88           10184        23.45       51
89           10254        23.61       51
90           10323        23.77       52
91           10391        23.93       53
92           10457        24.08       54
93           10523        24.23       54
94           10589        24.39       54
95           10655        24.54       54
96           10720        24.69       55
97           10785        24.84       55
98           10850        24.99       55
99           10914        25.13       56
100          10978        25.28       56
101-3188     43424        100.00      --
TOTAL          --           --        --

Table 9: Country wise Authorship Distribution

Sl No              Country                     No. of Publications in
                                                 the Source Journals

                                         CRL   D-LIB   IR   ITL   IS

1       United States of America (USA)   441    621    163  320   71
2       United Kingdom (UK)                     191    80    1    9
3       Canada                           25     27     44   28    4
4       Australia                         4     38     50    5    20
5       Germany                                 69     2     2    5
6       Spain                             3     13     59   10
7       Netherlands                             42     8          5
8       Finland                                        53         1
9       Sweden                            1      4     41    1    6
10      Italy                                   40     2     2    2
11      New Zealand                             20     11    1    5
12      China                             5     13     11    1
13      France                                  13     6          1
14      South Africa                      1      4     11    2    8
15      Singapore                         1      5     11
16      Greece                                  20     3     2
17      Austria                                 24     2          1
18      Denmark                                  6     14         1
19      Norway                                   5     4          7
20      South Korea                              3     10    1
21      Israel                            3            10         5
22      Belgium                                 16     2
23      Taiwan                            1            11    1
24      India                                    6     1     2    1
25      Japan                                    7     5
26      Ireland                                  3     3     3    4
27      Portugal                                 6     7
28      Hong Kong                         3      3     2
29      Brazil                            1      2     8
30      Iran                                           5
31      Poland                                   5     3     1
32      Switzerland                              5     1     2
33      Malaysia                                       4
34      Czech Republic                           4                1
35      Mexico                                         5     1    1
36      Turkey                                         3
37      Slovenia                                       5     1
38      Hungary                                  2     1          1
39      Iceland                                        6
40      Lithuania                                      6          1
41      Nigeria                                              1
42      Chile                                          6
43      Finland                                  6
44      Uganda                                         3
45      Pakistan
46      Kuwait                                         2
47      Slovakia                                 1     3
48      United Arab Emirates              1                       1
49      Argentina                                1     2
50      Colombia                                       1
51      Croatia                                  1     1
52      Cuba                                           2
53      Estonia                                        2
54      Russian Federation                       1           2
55      Serbia                                               2    1
56      Thailand
57      Botswana
58      Ecuador
59      Latvia                                         2
60      Macedonia                                1                1
61      Netherlands Antilles
62      Qatar                                    1
63      Trinidad and Tobago
64      Zambia
65      Aruba
66      Bahrain                                                   1
67      Bangladesh
68      Bulgaria                                                  1
69      Costa Rica
70      Cyprus
71      Fiji
72      Ghana                                    1
73      Honduras
74      Iraq                                     1
75      Kazakhstan                        1
76      Kenya
77      Panama
78      Peru                                           1
79      Saudi Arabia                                         1
80      Swaziland                                1
81      Togo                                     1
82      Uruguay                                        1
83      Venezuela                                                 1
84      Unidentified                     70     224    58   33    3

Sl No          No. of Publications in          Total     Percentage
                 the Source Journals          (n=5208)      (%)

        JMLA   LIBERQ   LISR   LIBRE   SLMR

1       755      15     300     45      91      2822       54.19
2        23      37      27      4              372         7.14
3        49      3       52     10              242         4.65
4        11      1       29     13      5       176         3.38
5                24      1                      103         1.98
6        6       2       6                       99         1.90
7        7       25      1                       88         1.69
8                6       18                      78         1.50
9        1       1       1                       56         1.08
10       1       5       2       1               55         1.06
11       3               1              1        42         0.81
12       2               9                       41         0.79
13       8       10      1                       39         0.75
14                       4       7               37         0.71
15       1               8       9               35         0.67
16               1       7       1               34         0.65
17               2               2               31         0.60
18               8       1       1               31         0.60
19               6       9                       31         0.60
20                       15      1               30         0.58
21       1       1       9                       29         0.56
22       1       6       2       1               28         0.54
23       1               5       1               20         0.38
24               2       4       2               18         0.35
25       3               2       1               18         0.35
26               1       2                       16         0.31
27               3                               16         0.31
28       2               4              1        15         0.29
29       2                       1               14         0.27
30       2               4       1               12         0.23
31               1       1                       11         0.21
32       1       1       1                       11         0.21
33                       3       3               10         0.19
34               3       1                       9          0.17
35       1               1                       9          0.17
36               4       2                       9          0.17
37       1       1                               8          0.15
38       1       1       1                       7          0.13
39                       1                       7          0.13
40                                               7          0.13
41       1               1       4               7          0.13
42                                               6          0.12
43                                               6          0.12
44                       1       2               6          0.12
45       2               1       2               5          0.10
46                       1       1               4          0.08
47                                               4          0.08
48                       1       1               4          0.08
49                                               3          0.06
50       1       1                               3          0.06
51                       1                       3          0.06
52                               1               3          0.06
53               1                               3          0.06
54                                               3          0.06
55                                               3          0.06
56                               3               3          0.06
57                       1       1               2          0.04
58               2                               2          0.04
59                                               2          0.04
60                                               2          0.04
61       1       1                               2          0.04
62                       1                       2          0.04
63       1                       1               2          0.04
64       2                                       2          0.04
65       1                                       1          0.02
66                                               1          0.02
67               1                               1          0.02
68                                               1          0.02
69       1                                       1          0.02
70               1                               1          0.02
71                               1               1          0.02
72                                               1          0.02
73                       1                       1          0.02
74                                               1          0.02
75                                               1          0.02
76                               1               1          0.02
77       1                                       1          0.02
78                                               1          0.02
79                                               1          0.02
80                                               1          0.02
81                                               1          0.02
82                                               1          0.02
83                                               1          0.02
84       53     287      7       5      3       743        14.27

Sl No   Rank

1        1
2        2
3        3
4        4
5        5
6        6
7        7
8        8
9        9
10       10
11       11
12       12
13       13
14       15
15       16
16       17
17       18
18       18
19       18
20       19
21       20
22       21
23       22
24       23
25       23
26       24
27       24
28       25
29       26
30       27
31       28
32       28
33       29
34       30
35       30
36       30
37       31
38       32
39       32
40       32
41       32
42       33
43       33
44       33
45       34
46       35
47       35
48       35
49       36
50       36
51       36
52       36
53       36
54       36
55       36
56       36
57       37
58       37
59       37
60       37
61       37
62       37
63       37
64       37
65       38
66       38
67       38
68       38
69       38
70       38
71       38
72       38
73       38
74       38
75       38
76       38
77       38
78       38
79       38
80       38
81       38
82       38
83       38
84       --

Figure 2: Authorship Pattern

Authorship Pattern

One     53.59%
Two     23.21%
Three   12.04%
Four     5.65%
Five     2.61%
Six      1.29%
Seven    0.60%
Eight    0.42%
Nine     0.31%
Ten      0.12%
> Ten    0.17%

Note: Table made from bar graph.

Please Note: Illustration(s) are not available due to copyright restrictions.

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