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http://hdl.handle.net/1942/975
Title: | A Qualitative Trajectory Calculus and the Composition of Its Relations | Authors: | Van de Weghe, N. KUIJPERS, Bart Bogaert, P. De Maeyer, P. |
Issue Date: | 2005 | Publisher: | Springer | Source: | GEOSPATIAL SEMANTICS, PROCEEDINGS. p. 60-76 | Series/Report: | LECTURE NOTES IN COMPUTER SCIENCE | Series/Report no.: | 3799 | Abstract: | Continuously moving objects are prevalent in many domains. Although there have been attempts to combine both spatial and temporal relationships from a reasoning, a database, as well as from a logical perspective, the question remains how to describe motion adequately within a qualitative calculus. In this paper, a Qualitative Trajectory Calculus (QTC) for representing and reasoning about moving objects in two dimensions is presented. Specific attention is given to a central concept in qualitative reasoning, namely the composition of relations. The so-called composition-rule table is presented, which is a neat way of representing a composition table. The usefulness of QTC and the composition-rule table is illustrated by an example. | Document URI: | http://hdl.handle.net/1942/975 | ISSN: | 0302-9743 | DOI: | 10.1007/11586180_5 | ISI #: | 000234717100005 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2007 |
Appears in Collections: | Research publications |
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