The Paper by Dr. Huang Lian’en and M.S 06 Wang Lei from CIRE was accepted by a

Top-Level International Information Retrieval Conference

A research paper from Center for Internet Research and Engineering (CIRE) of Shenzhen Graduate School of Peking University, “Achieving both High Precision and High Recall in Near-duplicate Detection”, was accepted as a full paper by the ACM 17th Conference on Information and Knowledge Management (CIKM2008 ). This paper is written by Post Doctorate Lian’en Huang and Master Student Lei Wang. The accept rate of CIKM2008 this year is 17% (131/772).

CIKM is one of top-level conferences in information retrieval, second only to SIGIR. It is organized by Association for Computing Machinery (ACM). The purpose of the conference is to identify challenging development problems of future knowledge and information systems, and to shape future directions of research by soliciting and reviewing high quality, applied and theoretical research discoveries.

This paper focuses on near-duplicate documents detection, which is a hot research area recently and has great application value in search engines like Google. Dr.Huang Lian’en and Wang Lei creatively adopted the edit distance as the similarity measurement and solved the efficiency problem using heuristic methods in the processing of topic-type web pages. All the four reviewers recommend the paper’s acceptance with full marks.

The conference will take place on October 25 at Napa Valley, CA, USA. Wang Lei is going to attend this academic activity and will give an oral presentation in person. This is a significant milestone that indicates internationalization of the CIRE’s academic activities as well as an important achievement on the development of Internet Research in SZPKU.

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The inspiration of this paper derives from the platform of Web Infomall (the Chinese web information museum). Web Infomall is an archive and reveal system of historical web pages, supported by the National “973 Project” and National “985 Project” and developed by the Computer Networks and Distributed System Laboratory (CNDS) of Peking University since 2002. It has stored over 3 billion web pages and expends at a scale of 45 million web pages per month. The majority of the research is accomplished in Shenzhen since the Web Infomall settled down here in SZPKU in the end of 2007.

Professor Li Xiaoming and Deputy Director Lei Kai gave great guidance and assistance in the research of this paper. The CIRE has made substantial progress in the Internet research and Engineering since its establishment in 2003, such as the most popular and advanced Chinese P2P community engine "Tianwang Maze” (National “863” Project), P2P VOD System for China Telecom (a key project supported by the National Eleventh Five-Years Fund) , Next Generation of Network (including IPv6) and so on. Besides, on top of the National 973 Project “Tianwang Search Engine”, it finished “The Intelligent Search Engine Used in Communication Fields”, a Sheng-Bu Industry-Academia-Research project of 2007.