Construction of User Interest Model in Personalized Search Engine
Zhong Liu · Computer Systems and Applications · 2012
This paper presents a way to construct user interest model in personalized search engine.The user interest model takes the registrated interest and user browse behavior into consideration.It consists of long-term and short-term which is stored in user interest tree.Forgetting mechanism is provided to timely refresh user interest.Simulated experiments verify the user interest model proposed in this paper is effective and competitive.