3933 search results - page 682 / 787 » Argumentation in the Semantic Web |
281
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we follow the role-based access control (RBAC) approach and extend it to provide for the dynamic association of roles with users. In our framework, privileges assoc...
178
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
The emergence of Semantic Web technologies and standards such as Resource Description Framework (RDF) has introduced novel data storage models such as the RDF Graph Model. In this...
130
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper we examine 1) the scope of geo-ontologies used especially for the purposes of information retrieval on the Web, 2) the core geographical concepts and their mutual re...
160
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
We describe an approach designed to reduce the costs of ontology development through the use of untrained, volunteer knowledge engineers. Results are provided from an experiment i...
190
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Schema statements in OWL are interpreted quite differently from analogous statements in relational databases. If these statements are meant to be interpreted as integrity constrai...