Method of Drifting User’s Interests Based on Time Window Optimization
Luo Gui-qiong · Jisuanji gongcheng · 2008
This paper aims at the problem of tracking user’s interest drift and optimizing user profile.It proposes a method of drifting user’s interests based on time window optimization.User profile tracks user’s interest drift by classification error-rate and when user’s interests are changed,user profile optimizes time window size automatically.Experiment shows that this method can describe the interest change of the user exactly and improve the personalization.