Shapes Based Trajectory Queries for Moving Objects Bin Lin and Jianwen Su   View Paper (PDF)   Return to Session 1: Moving Objects Abstract An interesting issue in moving objects databases is to find similar trajectories of moving objects. Previous work on this topic focuses on movement patterns (trajectories with time dimension) of moving objects, rather than spatial shapes (trajectories without time dimension) of their trajectories. In this paper we propose a simple and effective way to compare spatial shapes of moving object trajectories. We introduce a new distance function based on ``one way distance'' (OWD). Algorithms for eva ... ©2006 Association for Computing Machinery