METHOD AND SYSTEM OF CONFIGURING USER PROFILE BASED ON A CONCEPT NETWORK AND PERSONALIZED QUERY EXPANSION SYSTEM USING THE SAME

摘要

PURPOSE: A concept network based user profile configuration method and a system thereof, an individual query extension system using the same by using a session interest are provided to recommend an individualized query by comparing a user profile with a word which a user makes a question. CONSTITUTION: A keyword extractor(100) extracts a keyword from documents which a user refers to. A session interest making module(210) generates a session interest by using the keyword. The session interest making module makes a user profile by accumulating the session interest. A comparing module(220) compares the generated session interest with the concept of the user profile. A user profile updating module(230) adds the session interest and the concept of the user profile.