Weiping Wang 0001 Jianzhong Li DongDong Zhang Longjiang Guo Processing Sliding Window Join Aggregate in Continuous Queries over Data Streams. 348-363 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3255&spage=348 2004 conf/adbis/2004 ADBIS db/conf/adbis/adbis2004.html#WangLZG04