PostingRank: Bringing Order to Web Forum Postings
Web forum is an important information resource.Each day innumerable postings on various topics are created in thousands of web forums in internet.However,only a small part of them are utilized for the reason that it is difficult to rank the postings importance.Unlike general web sites with hyperlinks in web pages created by editors,links in web forums are automatically generated,therefore,traditional linkbased methods,such as famous PageRank are useless to rank postings.In this paper,we propose a novel algorithm named PostingRank to rank postings.The main idea of our method is to exploit the common repliers between postings and leverage the relationship between these common repliers.We build implicit links based on that co-repliers relation and construct a link graph.In the way of iterative calculation,each postings importance score can be obtained.The experimental results demonstratethat our method can improve retrieval performance and outperforms traditional link-based methods.
Zhi Chen Li Zhang Weihua Wang
School of Software,Tsinghua University,Beijing 100084,China
国际会议
4th Asia Information Retrieval Symposium(AIRS 2008)(第四届亚洲信息检索研讨会)
哈尔滨
英文
377-384
2008-01-16（万方平台首次上网日期，不代表论文的发表时间）