Information Assistant: a novel initiative topic search engine

The problem of information overloading with the use of search engine and the temporal efficiency losing of the indexed data has been a great trouble for the further use of the Internet. In this paper, a novel knowledge based initiative topic search engine called Information Assistant is designed and realized. It breaks through the traditional passive service style of the search engine, and solves the problem of topic information collection and downloading from the Internet. Its design based on the knowledge base raises the precision and the recall of the information retrieval. It also probes into the works of the structure and content mining of Web pages. Experiments prove the efficiency of the search engine.