信息协同过滤

Collaborative Filtering

1.引言 网络的迅速发展、信息的日益丰富使得信息过滤越来越重要.在网络发展初期发挥了重大作用的搜索引擎正面临着困境:网络资源的众多和低组织性使得搜索引擎无法准确地根据用户提交的查询返回用户需要的内容.单一的关键词提供的信息量太少,难以据此准确判断用户的需求.

With the rapid growth of the Internet, information overload is becoming a more and more serious problem. It is an urgent demand to help people to find useful information effectively. Of all the filtering technique, automated collaborative filtering is quickly becoming a popular one for solving the problem. In this paper we try to uncover the essential of collaborative filtering, analyze some algorithm, and discuss the future of this technique.