Relation Variables in Qualitative Spatial Reasoning

Details Relation Variables in Qualitative Spatial Reasoning Relation Variables in Qualitative Spatial Reasoning

2006-08-03

arxiv.org/abs/cs/0608019v1

Computer Science

Artificial Intelligence

14 pages; 27th German Conference on Artificial Intelligence (KI'04)

Scientific paper

We study an alternative to the prevailing approach to modelling qualitative spatial reasoning (QSR) problems as constraint satisfaction problems. In the standard approach, a relation between objects is a constraint whereas in the alternative approach it is a variable. The relation-variable approach greatly simplifies integration and implementation of QSR. To substantiate this point, we discuss several QSR algorithms from the literature which in the relation-variable approach reduce to the customary constraint propagation algorithm enforcing generalised arc-consistency.

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