Abstract: Content filtering techniques develop on the basis of information retrieval techniques and increasingly form their own system info. This paper concludes several content filtering arithmetics in common use, analyzes and compares their advantages and disadvantages. It provides clues for different fields making use of appropriate content filtering arithmetic. Key words Content filtering;

摘要： 内容过滤技术在信息检索技术的基础上发展起来，并逐渐形成了自身的理论体系。文章总结了目前常用的几种内容过滤算法，并对它们的优缺点进行了分析和比较，为不同领域采用适当的内容过滤算法提供了思路。

关键词: 内容过滤, 关键词匹配, 潜在语义索引, 神经网络

CLC Number: 

• TP393.03