Trajectory Indexing and Retrieval

Abstract

The traveling history of moving objects such as a person, a vehicle, or an animal have been exploited in various applications. The utility of trajectory data depends on the effective and efficient trajectory query processing in trajectory databases. Trajectory queries aim to evaluate spatiotemporal relationships among spatial data objects. In this chapter, we classify trajectory queries into three types , and introduce the various distance measures encountered in trajectory queries. The access methods of trajectories and the basic query processing techniques are presented as another component of this chapter.