Paulo E. Santos, Pedro Cabalar
In this paper we propose a spatial ontology for reasoning about holes, rigid objects and strings, taking a classical puzzle as a motivating example. In this ontology the domain is composed of spatial regions whereby a theory about holes is defined over a mereological basis. We also assume primitives for representing shapes of objects (including the string). From these primitives we propose a sufficient condition for object's penetrability through holes. Additionally, a string is represented as a data structure defined upon a sequence of sections limited by points where the string crosses itself or points where it passes through a hole.
Subjects: 5. Common Sense Reasoning; 3.2 Geometric Or Spatial Reasoning
Submitted: Jan 25, 2007
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