ICDE'04 - Research Session 6: Spatio-Temporal Querying Spatio-Temporal Aggregation Using Sketches Yufei Tao George Kollios Jeffrey Considine Feifei Li Dimitris Papadias Querying about the Past, the Present and the Future in Spatio-Temporal Databases Jimeng Sun Dimitris Papadias Yufei Tao Bin Liu Approximate Temporal Aggregation Yufei Tao Dimitris Papadias Christos Faloutsos Return to ICDE'04 Sessions ©2005 Association for Computing Machinery