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|Title:||A Qualitative Trajectory Calculus and the Composition of Its Relations||Authors:||Van de Weghe, N.
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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