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Representing and Reasoning over Topological Relations in OWL

Batsakis, Sotiris, Antoniou, Grigoris and Tachmazidis, Ilias (2014) Representing and Reasoning over Topological Relations in OWL. In: 4th International Conference on Web Intelligence, Mining and Semantics (WIMS' 14), June 2-4, 2014, Thessaloniki, Greece. (Unpublished)

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Representing topological information for the Semantic Web often involves qualitative defined natural language terms such as "Into" or "Overlapping". This can be the case when
exact coordinates of spatial regions are not available, they are incomplete or unreliable. Topological spatial relations are the most important aspect of spatial representation and
reasoning, thus embedding such relations into an ontology along with their semantics as expressed using reasoning rules
is an important issue. In this work we propose a representation of RCC-5 topological relations using OWL object properties and axioms, combined with reasoning rules expressed
using SWRL embedded into the ontology.
Three alternative representations are proposed and compared: the first is based on a straightforward implementation of the path consistency method for spatial reasoning,
the second is an optimized version of the path consistency
based representation implemented using an alternative representation of the topological equality relation and the third
is based on the decomposition of RCC-5 relations to simpler
ones. To the best of our knowledge this is the first work
dealing with topological RCC-5 relations representation for
the Semantic Web. In addition, our work improves the performance of topological RCC-8 relations reasoning when the
best method, in terms of reasoning time, for RCC-5 relations
is applied over RCC-8 relations.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Schools: School of Computing and Engineering
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Depositing User: Sotirios Batsakis
Date Deposited: 05 Jun 2014 11:34
Last Modified: 28 Aug 2021 19:11

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