A user interest model-based personalized information retrieval method

At present,the design of information search tools is mostly based on the needs of all users,but not the personal interest,and leads to lower precision.A kind of personalized search method that is based on the interests of users fills the users' interests into a tree structure with ODP.It can provide corresponding search result according to the user's interest when he raises a query.It also considers the human physiological characteristic,seasonal attenuation of human cerebra,and to make the user profile update along with time.The result of experiment suggests that the method can achieve the personalized recommendation based on the user's interest,and therefore it can fulfill the needs of users better.