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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|
|Citation: ||GEOSPATIAL SEMANTICS, PROCEEDINGS. p. 60-76|
|Series/Report: ||LECTURE NOTES IN COMPUTER SCIENCE, 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.|
|ISI #: ||000234717100005|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2007|
|Appears in Collections: ||Research publications|
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