演讲人: 微软亚洲研究院主任研究员 李航 博士

讲座时间: 2010年3月23日（周二）晚6：00~7：30

讲座地点: 伟德国际1946源自英国四层报告厅

讲座内容: 互联网信息检索基础 Fundamental Web IR 时间： 2010年3月23日（周二）晚6：00~7：30 地点： 伟德国际1946源自英国四层报告厅 演讲人：微软亚洲研究院主任研究员 李航 博士 Hang Li Senior Researcher and Research Manager Hang Li is senior researcher and research manager at Microsoft Research Asia. He is also adjunct professors at Peking University, Nanjing University, Xian Jiaotong University, and Nankai University. His research areas include information retrieval, natural language processing, statistical machine learning, and data mining. He graduated from Kyoto University and earned his PhD from the University of Tokyo. Hang has about 80 publications in international journals and conferences. He is associate editor of ACM Transaction on Asian Language Information Processing and is in editorial board of Journal for Computer and Science Technology, etc. His recent academic activities include senior program committee members of WSDM"10, KDD"10 and SIGIR"10; area chairs of ACL"10 and ACML"10. Hang has been working on development of several products. These include NEC TopicScope, Microsoft SQL Server 2005, Microsoft Office 2007, Microsoft Live Search 2008，and Microsoft Bing 2009. 演讲摘要： In this talk I will first give an overview on web search (or web IR). I will introduce the major tasks of web search: relevance ranking, importance ranking, web page understanding, query understanding, crawling, indexing, anti-spam, search result presentation and search log data mining. I will then indicate that statistical learning technologies can be employed to perform the tasks, including classification, clustering, learning to rank, link analysis, and information extraction. 更多信息请参考学院网站新闻：/news/news.asp?newsid=1143