期刊名称：International Journal of Computer Science and Information Technologies
电子版ISSN：0975-9646
出版年度：2015
卷号：6
期号：1
页码：577-579
出版社：TechScience Publications
摘要：Text substitution is a common practice used by the criminals and terrorists for communication between them. Text substitution is helpful as it hides the actual meaning of the sentence. The substitutions are known only by their group members! In this paper we have considered detecting the substituted words with similar word frequencies to that of the original word. As these messages do not contain any sensitive words so they look normal. The algorithms such as kgram and oddity are individually not effective. So by using these algorithms together and that too in logical order (in sequence) which provides an effective detector
