Please use this identifier to cite or link to this item: 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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