Elke A. Rundensteiner Luping Ding Timothy M. Sutherland Yali Zhu Bradford Pielech Nishant Mehta CAPE: Continuous Query Engine with Heterogeneous-Grained Adaptivity. 1353-1356 2004 conf/vldb/2004 VLDB http://www.vldb.org/conf/2004/DEMP26.PDF db/conf/vldb/vldb2004.html#RundensteinerDSZPM04