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» Enhancing Knowledge Representations by Ontological Relations
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ARTMED
2006
80views more  ARTMED 2006»
14 years 9 months ago
A formal theory for spatial representation and reasoning in biomedical ontologies
Objective: The objective of this paper is to demonstrate how a formal spatial theory can be used as an important tool for disambiguating the spatial information embodied in biomed...
Maureen Donnelly, Thomas Bittner, Cornelius Rosse
KER
2008
106views more  KER 2008»
14 years 9 months ago
Personalized information retrieval based on context and ontological knowledge
Context modeling has been long acknowledged as a key aspect in a wide variety of problem domains. In this paper we focus on the combination of contextualization and personalizatio...
Phivos Mylonas, David Vallet, Pablo Castells, Miri...
PADL
2010
Springer
15 years 6 months ago
Implementing Query Answering for Hybrid MKNF Knowledge Bases
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
Ana Sofia Gomes, José Júlio Alferes,...
SEMWEB
2007
Springer
15 years 3 months ago
Form-Function Reasoning for Product Shape Ontology
We present an ontology of objects, functions, and generic shape representation that supports form-function reasoning. By reasoning from the mechanical and other functions of object...
Eric Wang, Yong Se Kim
CORR
2011
Springer
186views Education» more  CORR 2011»
14 years 4 months ago
A Goal-Directed Implementation of Query Answering for Hybrid MKNF Knowledge Bases
Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rules use non...
Ana Sofia Gomes, José Júlio Alferes,...