期刊名称：International Journal of Engineering and Computer Science
印刷版ISSN：2319-7242
出版年度：2015
卷号：4
期号：7
页码：13578-13580
出版社：IJECS
摘要：The field information Retrieval deals with representing, storage and access to information items.IR is the most usual way ofinformation access, mostly due to the increasing widespread of world wide web(WWW).Information Retrieval mainly deals withretrieval of unstructured data, especially textual documents, in response to a query or topic statement, which may itself beunstructured. In this paper we present the introduction to the information Retrieval and focuses on properties, key techniques andterm weighting factor of information retrieval
关键词：Information Retrieval; Text Extraction; Term;frequency; inverse document frequency and term weighting
