Abstract:

This paper discusses the keyword concentration change ratio to identify the stablemutation feature of Web search keywords for information analysis and prediction. At first, this paper introduces what is the keyword stablemutation feature and its significance. Secondly, it describes the definition of keyword concentration change ratio and its function for identifying keyword stablemutation feature. Finally, an instance of Ginsberg’s influenza keyword shows that keyword concentration change ratio can identify the keyword stablemutation feature effectively.

Keywords: Web search, Keyword, Concentration change ratio