Abstract:

The paper analyses the user preference information features, clarifies the user preference information sources, studies the specific behaviors to acquire user preference information, and summarizes the key technology factors that influence user preference information acquisition behavior, which include
the new network technology, information filtering technology, Web mining, and social network analysis techniques. It also categorizes user preference information acquisition into one that is retrieved from server,another from proxy server, and the other from client. Likewise, it notices two methods of information retrieval that are explicit and implicit retrievals.

Key words: User preference, Information filtering technology, Web mining, Social network analysis technology