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•Mohamed F. Mokbel, Xiaopeng Xiong, Moustafa A. Hammad, and Walid G. Aref. “Continuous Query Processing of Spatio-temporal Data Streams in PLACE”. Invited for special issue of GeoInformatica for Best Papers of STDBM 2004, Volume 9, Number 4, Pages 367-389, December 2005.
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•Moustafa A. Hammad, Thanaa M. Ghanem, Walid G. Aref, Ahmed K. Elmagarmid, and Mohamed F. Mokbel. “Efficient Pipelined Execution of Sliding-Window Queries Over Data Streams.” Purdue University Department of Computer Sciences Technical Report CSD TR#03-035, June 2004.
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•Walid G. Aref, Ann C. Catlin, Ahmed K. Elmagarmid J. Fan, Moustafa A. Hammad, Ihab Ilyas, Mirette Marzouk, and Thanaa Ghanem. “Video Query Processing in the VDBMS Testbed for Video Database Research.” In Proceedings of the 1st ACM International Workshop on Multimedia Databases, ACM MMDB, pages 25-32, 2003.
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•Moustafa A. Hammad, Walid G. Aref, and Ahmed K. Elmagarmid. “Joining Multiple Data Streams with Window Constraints.” Purdue University Department of Computer Sciences Technical Report CSDTR#02-010, May 2002.
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•Moustafa A. Hammad, Walid G. Aref, Ann C. Catlin, Mohamed G. Elfeky, and Ahmed K. Elmagarmid. “A Stream Database Server for Sensor Applications.” Purdue University Department of Computer Sciences Technical Report CSD TR#02-009, May 2002.
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