【摘要】 用户兴趣模型的表示是信息过滤中的关键技术,它直接关系到过滤效果的好坏。比较了三种不同的用户兴趣模型:传统的关键字表示法、固定文章集法F D S (文章表示法)和基于示例法(段落表示法) ,并对它们进行了实验分析,得出后两种方法要优于第一种的结论。其技术的关键在于如何描述和更新用户的兴趣模型。更多还原

【Abstract】 The representation of user profile plays an important role in the information filtering,and decides whether filtering will be successful.Three kinds of user models are compared in the paper,which are traditional keyword matchword profile,fixed document set method FDS(document profile)and instance method (keyword mathparagraph profile).Through analysis from experiment,a conclusion that the method of documentmatch and paragraphmatch is better than that of wordmatch has obtained.The key technique is how to describe and refresh the user’s profile.更多还原