信息Agent可以协助用户发现感兴趣的网站,为用户提供个性化主动信息服务,采用合作过滤技术,可以提高信息过滤的质量。如果我们已经找到了一些喜欢的网站,那么什么时侯再来浏览这些网站呢?例如,你找到了一所大学的“学术论文”网站,该网站的论文研究跟你的研究方向非常类似,如果有新的论文在上面发布,你可能想及时阅读,但是,什么时候 Information Agent can help users find interesting sites, to provide users with personalized active information services, using collaborative filtering technology, you can improve the quality of information filtering. If we have found some of our favorite websites, then when will we visit these websites again? For example, you have found a university’s “dissertation” website, whose research is very similar to your research direction. If you have New papers are posted on top, and you may want to read in time, but when