An extensible notation for spatiotemporal index queries

Author:

Tsotras Vassilis J.1,Jensen Christian S.2,Snodgrass Richard Thomas3

Affiliation:

1. Dept. of Computer Science, University of California, Riverside, CA

2. Dept.of Computer Science, Aalborg University, DK-9220, Aalborg øst, Denmark

3. Dept. of Computer Science, University of Arizona, Tucson, AZ

Abstract

Temporal, spatial and spatiotemporal queries are inherently multidimensional, combining predicates on explicit attributes with predicates on time dimension(s) and spatial dimension(s). Much confusion has prevailed in the literature on access methods because no consistent notation exists for referring to such queries. As a contribution towards eliminating this problem, we propose a new and simple notation for spatiotemporal queries. The notation aims to address the selection-based spatiotemporal queries commonly studied in the literature of access methods. The notation is extensible and can be applied to more general multidimensional, selection-based queries.

Publisher

Association for Computing Machinery (ACM)

Subject

Information Systems,Software

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