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» Fuzzy Ontology Representation using OWL 2
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CIMCA
2005
IEEE
15 years 3 months ago
OntoBayes: An Ontology-Driven Uncertainty Model
— This paper describes an ontology-driven model, which integrates Bayesian Networks (BN) into the Ontology Web Language (OWL) to preserve the advantages of both. This model makes...
Yi Yang, Jacques Calmet
DLOG
2011
14 years 1 months ago
Module Extraction via Query Inseparability in OWL 2 QL
We show that deciding conjunctive query inseparability for OWL 2 QL ontologies is PSpace-hard and in ExpTime. We give polynomial-time (incomplete) algorithms and demonstrate by exp...
Boris Konev, Roman Kontchakov, Michel Ludwig, Thom...
IICAI
2007
14 years 11 months ago
Hierarchical Course Knowledge Representation using Ontologies
In this paper we present a method to represent knowledge associated with a course. Course knowledge can be represented in the form of hierarchical prerequisite relation based weigh...
Javed I. Khan, Manas Hardas
SEMWEB
2007
Springer
15 years 3 months ago
A Pattern-based Framework for Representation of Uncertainty in Ontologies
Abstract. We present a novel approach to representing uncertain information in ontologies based on design patterns. We provide a brief description of our approach, present its use ...
Miroslav Vacura, Vojtech Svátek, Pavel Smrz...
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KI
2007
Springer
15 years 3 months ago
Any-World Access to OWL from Prolog
The W3C standard OWL provides a decidable language for representing ontologies. While its use is rapidly spreading, efforts are being made by researchers worldwide to augment OWL ...
Tobias Matzner, Pascal Hitzler