Research And Implementation Of Intelligent Comparison Shopping On Internet

The wave of information technology is changing the way people living. More and more people accept shopping on Internet. On the other way, the explosion of information makes it difficult for people to gain useful knowledge for themselves. It's an important project to find out a way in which useful information and smart individual service can be easily provided in such distributed circumstance as WEB.Comparison Shopping is both an instance of Business Intelligence and one application of Intelligent Information Agents. It searches online stores automatically, collects products information and integrates them for comparison, finally provides people with purchase decision support. The key of Comparison Shopping is capturing useful information, in which information search and information extraction are included. Information search is designed for collecting WEB pages, while information extraction for collecting useful information in WEB pages by processing in a deep step.This paper systematically presents the current research in WEB information search and information extraction, and it also analyses the problems and the trends in this domain. At last, this paper gives the details of implementing a topic based search engine and the information extraction.The topic based search engine aims to collect topic pages. For Spider search WEB widely and some irrelevant pages are contained, so it is necessary to filter WEB...