3456 search results - page 310 / 692 » Semantics in Spatial Databases |
168
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CORR
2010
Springer
15 years 5 months ago
2010
Springer
We study active integrity constraints and revision programming, two formalisms designed to describe integrity constraints on databases and to specify policies on preferred ways to...
151
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DEXAW
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper, we propose a knowledge discovery-based approach to ontology concept design. In our approach, concept design is a stepwise activity which exploits ontology matching ...
142
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DEXAW
2007
IEEE
16 years 29 days ago
2007
IEEE
In this paper we present the rationale and the main components for a modular and extensible architecture for building and deploying physical hypermedia software. We show that this...
239
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DEXA
2007
Springer
16 years 26 days ago
2007
Springer
Since a big part of web content is stored in relational databases (RDB) there are several approaches for generating of semantic web metadata from RDB. In our previous work we desig...
223
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ODBIS
2007
Springer
16 years 25 days ago
2007
Springer
Abstract. RDF Schema (RDFS) extends RDF with a schema vocabulary with a predefined semantics. Evaluating queries which involve this vocabulary is challenging, and there is not yet...