GIS'05 - Session 5: Query Processing and Optimization Time Relaxed Spatiotemporal Trajectory Joins Petko Bakalov Marios Hadjieleftheriou Vassilis J. Tsotras Two Ellipse-based Pruning Methods for Group Nearest Neighbor Queries Hongga Li Hua Lu Bo Huang Zhiyong Huang Adaptive Nearest Neighbor Queries in Travel Time Networks Wei-Shinn Ku Roger Zimmermann Haojun Wang Chi-Ngai Wan Efficient Query Processing on Spatial Networks Jagan Sankaranarayanan Houman Alborzi Hanan Samet Return to GIS'05 session listing ©2006 Association for Computing Machinery