教育网站个性化推荐系统中的一种用户兴趣模型的建立

用户兴趣模型用于描述用户的个人信息、专业背景、偏好倾向和历史行为等,通过这些信息,系统可以发现和预测用户的信息需求,从而对用户进行个性化的信息推荐服务.用户兴趣模型是影响推荐系统服务效率的重要因素,因此针对用户兴趣进行建模是个性化推荐系统实现中要重点考虑的问题之一.本文从教育网站用户对象特点出发,提出了将用户兴趣分为固定兴趣与临时兴趣相结合的动态模型.

Modeling Methods of User interesting in Educationweb Personalized Recommendation System

The user interesting model describes the user's personal information, major background, interest trend and previous behaviors. According to these information, the system finds and predicts his demands for information so as to provide with personalized information recommendation service. The user interesting model is a major factor in the efficiency of the recommender system, thus modeling according to the users' interests is one of the problems which should be major concerned in personalized service. This paper describes the user interesting model combined users' static interests and dynamic interests according to user's profile of educationweb.