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» A Defeasible Ontology Language
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KCAP
2009
ACM
15 years 11 months ago
Cross ontology query answering on the semantic web: an initial evaluation
PowerAqua1 is a Question Answering system, which takes as input a natural language query and is able to return answers drawn from relevant semantic resources found anywhere on the...
Vanessa Lopez, Victoria S. Uren, Marta Sabou, Enri...
DEXAW
2007
IEEE
128views Database» more  DEXAW 2007»
15 years 10 months ago
Sharing Data on the Grid using Ontologies and distributed SPARQL Queries
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...
Andreas Langegger, Martin Blöchl, Wolfram W&o...
IAT
2009
IEEE
15 years 10 months ago
Combining Boolean Games with the Power of Ontologies for Automated Multi-attribute Negotiation in the Semantic Web
Recently, multi-attribute negotiation has been extensively studied from a game-theoretic viewpoint. Since normal and extensive form games have the drawback of requiring an explicit...
Thomas Lukasiewicz, Azzurra Ragone
SEMWEB
2005
Springer
15 years 12 months ago
Using Triples for Implementation: The Triple20 Ontology-Manipulation Tool
Triple20 is a ontology manipulation and visualization tool for languages built on top of the Semantic-Web RDF triple model. In this article we explain how a triple-centered design ...
Jan Wielemaker, Guus Schreiber, Bob J. Wielinga
AGP
2003
IEEE
15 years 11 months ago
Enhancing Disjunctive Logic Programming for Ontology Specification
This paper is a presentation of ONTO-DLP, an extension of Disjunctive Logic Programming (DLP) for complex knowledge modelling. ONTO-DLP enhances DLP by constructs coming from othe...
Francesco Calimeri, Stefania Galizia, Massimo Ruff...