117 search results - page 18 / 24 » SPARQLing constraints for RDF |
104
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ISEMANTICS
2010
14 years 8 months ago
2010
LInked Data Services (LIDS) denote the integration of dataproviding services and Linked Data. LIDS are parameterised and formally described web resources which return RDF when der...
103
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
113
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ESWS
2011
Springer
14 years 1 months ago
2011
Springer
The number of open datasets available on the web is increasing rapidly with the rise of the Linked Open Data (LOD) cloud and various governmental efforts for releasing public data ...
ESWS
2011
Springer
14 years 1 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
ESWS
2009
Springer
15 years 4 months ago
2009
Springer
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...