Professional Activities

• Associate Editor for IEEE Transactions on Knowledge and Data Engineering, Aug. 2000 to present.



• Program Committee Member for the IEEE International Conference on E-Commerce, San Diego, CA, July 2004.



• Program Committee Member for the 6th International Workshop on Web Information and Data Management, WIDM 2004.



• Program Committee Member for the 5th International Workshop on Web Information and Data Management, New Orleans, LA, WIDM 2003.



• Program Committee Member for the International Workshop on Data Mining for Actionable Knowledge (DMAK) 2003, Seoul, Korea.



• Program Committee Member for the 4th International Workshop on Web Information and Data Management, WIDM 2002.



• Program Committee Member for the 4th International Workshop on Advanced Issues on E-Commerce and Web-Based Information Systems, WECWIS 2002, Newport Beach, CA, June 2002.



• General Chair for the 3rd International Workshop on Advanced Issues on E-Commerce and Web-based Information Systems, WECWIS 2001, San Jose, CA, June 2001.



• Publication Chair and Program Committee member for the 2nd International Workshop on Advanced Issues on E-Commerce and Web-based Information Systems, WECWIS 2000, San Jose, CA, June 2000.



• Program Committee Member for 15th International Conference on Data Engineering, Sidney, Australia, March 1999.



• Financial Chair for the 14th International Conference on Data Engineering, Orlando, FL, Feb. 1998.



• Publication Chair for the 14th Symposium on Reliable Distributed Systems, Bad Neuenahr, Germany, Sept. 1995.



• Publication Chair and Program Committee member for the 11th International Conferenceon Data Engineering, Taipei, Taiwan, March 1995.



• Publication Chair for the Second Int. Workshop on Research Issues on Data Engineering: Transaction and Query Processing (RIDE-TQP), Tempe, AZ, Feb. 1992.



• Member of the IEEE Computer Society.



• Member of the Association of Computing Machinery