4372 search results - page 409 / 875 » Data Semantics Revisited |
272
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ICDE
2001
IEEE
16 years 8 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
169
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...
209
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PODS
2008
ACM
16 years 7 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
150
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CIKM
2007
Springer
16 years 1 months ago
2007
Springer
Berners-Lee’s compelling vision of a Semantic Web is hindered by a chicken-and-egg problem, which can be best solved by a bootstrapping method — creating enough structured dat...
173
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DEXA
2007
Springer
16 years 1 months ago
2007
Springer
Abstract. Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. Existing mapping tools employ semi-automatic techniques for mapping ...