Clement Yu:

Tel.: 312-996-2318; Fax: 312-413-0024; Email:
Professor, Department of Computer Science, 851 South Morgan,
University of Illinois at Chicago, Chicago, Illinois 60607-7053.

Education: B.S. Columbia University, 1970, Applied Mathematics;
                 Ph.D. Cornell University, 1973, Computer Science.

Research areas: Database Management, Information Retrieval, Applications to HealthCare.

Current academic projects which are externally funded: Metasearch engines for e-commerce (NSF); Author name disambiguation (NIH); Reduction in drug name confusion (Agency for Health Care Research and Quality).

Has published more than 180 papers and 1 graduate textbook; his publications appeared in journals such as JACM, ACM TODS, IEEE TKDE, IEEE Transactions on Computers, IEEE Transactions on Software Engineering and ACM Transactions on Information Systems and conference papers such as ACM SIGMOD, VLDB, ACM SIGIR, WWW and CIKM; received funds from NSF for the last 27 years, since returning to the US in 1978; other funding sources include government agencies such as AFOSR, Argonne National Laboratory, ARO and NOSC and companies such as Hughes Aircraft, Omron Corporation and OCLC; served as an advisory committee member for NSF, program committee chair for ACM SIGIR Conference, chair of the ACM SIGIR society, conference co-chair of a number of conferences and workshops. He will serve as the general chair for the ACM SIGMOD 2006 conference; served as member of editorial board/associate editor for several journals such as IEEE TKDE and WWW: Internet and Web Information Systems.

Based on his research results, two start-up companies: Webscalers and PharmIR have been formed. Webscalers is a metasearch engine company with the aim of providing search facility for the Web. Unlike search engine such as Google ad Yahoo, a metasearch engine connects to numerous search engines and therefore should be able to provide more coverage of the Web as well as more up-to-date information. A prototype metasearch engine produced by the company for retrieving news items can be found at NSF SBIR funds have been received to support this effort. PharmIR aims to reduce drug product confusion as people have been harmed by taking the wrong drugs which have look-alike or sound-alike names. A commercial system has been developed and is being used by several drug companies. It has received NIH SBIR funds to continue the research and development effort.

Recent papers on metasearch engines can be found at and at

Sample recent publications are given as follows.

Weiyi Meng, King-Lup Liu, Clement Yu, Xiaodong Wang, Yu-Hsi Chang, and Naphtali Rishe. Determining Text Databases to Search in the Internet . Proc. of the 24th International Conference on Very Large Data Bases (VLDB'98) , New York City, August 1998, pp.14-25.

Clement Yu, Weiyi Meng, Wensheng Wu, and King-Lup Liu. Efficient and Effective Metasearch for Text Databases Incorporating Linkages among Documents . ACM SIGMOD Conference, May 2001, pp.187-198.

Clement Yu, King-Lup Liu, Weiyi Meng, Zonghuan Wu, and Naphtali Rishe. A Methodology to Retrieve Text Documents from Multiple Databases . IEEE Transactions on Knowledge and Data Engineering, Vol.14, No.6, November/December 2002, pp.1347-1361.

Hai He, Weiyi Meng, Clement Yu, and Zonghuan Wu. WISE-Integrator: An Automatic Integrator of Web Search Interfaces for E-Commerce . Proc. of 29th International Conference on Very Large Data Bases (VLDB'03), pp.357-368, Berlin, Germany, September 2003.

Clement Yu, George Philip, and Weiyi Meng. Distributed Top-N Query Processing with Possibly Uncooperative Local Systems . Proc. of 29th International Conference on Very Large Data Bases (VLDB'03), pp.117-128, Berlin, Germany, September 2003

Fang Liu, Clement Yu, and Weiyi Meng. Personalized Web Search for Improving Retrieval Effectiveness , IEEE Transactions on Knowledge and Data Engineering, Vol.16, No.1, pp.28-40, January 2004.

Shuang Liu, Fang Liu, Clement Yu, and Weiyi Meng. An Effective Approach to Document Retrieval via Utilizing WordNet and Recognizing Phrases. Proceedings of the 27th Annual International ACM SIGIR Conference, pp.266-272, Sheffield, UK, July 2004.

Hongkun Zhao, Weiyi Meng, Zonghuan Wu, Vijay Raghavan, and Clement Yu. Fully Automatic Wrapper Generation for Search Engines . Proc. of 14th International World Wide Web Conference (WWW14), pp.66-75, Chiba, Japan, May 2005.

Carlo Carino, Yuanyuan Jia, Bruce Lambert, Patricia West and Clement Yu, Mining officially unrecognized side-effects of drugs by combining Web Search and Machine Learning, CIKM, 2005.