【摘要】 本文通过资源的表达、用户兴趣文件的表达和匹配技术来研究矢量空间模型表示法和概率模型表示法 ,提出了一个改进的概率模型表示法 ,它能够更好的满足用户的需求更多还原

【Abstract】 With the development of network,the problem of information overloading appeared more and more serious.In order to provide personalized and practical information to users,the technology of information filtering has became an important method in personalized information service.This paper puts forward an improved probability model,by studying on keyword vector space model and probability model in three respects such as expressing source,expressing user’ interests and information matching method.更多还原