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Navegando Artigo de evento por Autor "CABALAR, P."

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    Artigo de evento
    An investigation of actions, change and space
    (2013-07-10) Paulo Santos; CABALAR, P.
    This work investigates the spatial knowledge and automated solution of a domain composed of non-trivial objects such as strings and holed objects. Copyright © 2013, Association for the Advancement of Artificial Intelligence. All rights reserved.
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    Artigo de evento
    An investigation of actions, change, space within a hole-loop dichotomy
    (2013-05-27) Paulo Santos; CABALAR, P.
    © COMMONSENSE 2013 - 11th International Symposium on Logical Formalizations of Commonsense Reasoning. All rights reserved.This work investigates the spatial knowledge of a domaincomposed of non-trivial objects such as strings and holed objects. To this aim, we consider the formalisation of puzzlelike examples as the starting point for the development ofKnowledge Representation systems. The present paper concentrates on the representation of "loops" (or loop-like regions) that can be formed by a flexible string, and that mayplay an essential part in the solution of physical problems involving strings.
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    Artigo de evento
    Holes, knots and shapes: A spatial ontology of a puzzle
    (2007-03-26) Paulo Santos; CABALAR, P.
    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. Copyright © 2007, Association for the Advancement of Artificial Intelligence (www.aaai.org). All rights reserved.
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    Artigo de evento
    Holes, knots and shapes: a spatial ontology of a puzzle
    (2011-09-27) Paulo Santos; CABALAR, P.
    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. This paper first appeared as as technical report [7] and presents the initial framework that was further developed in [8, 2].