Analysis of the Research Subject of Information Science Based on the Keyword

The purpose of this paper is to analysis the research subject of information science inside China.This paper adopted analysis content method based on word frequency and used the EXCEL as tools to deal with the 50174 keywords from the five information journals and three all-round library and information journals collected by the China Social Science Index(CSSCI) from 1998 to 2004.The paper studied these keywords not only from the whole but also the mutative situation of some keyword.It described some research hotspot of information science based on the keyword.