1791 search results - page 9 / 359 » Semantics and Complexity of SPARQL |
WWW
2008
ACM
15 years 10 months ago
2008
ACM
The Semantic Web is based on accessing and reusing RDF data from many different sources, which one may assign different levels of authority and credibility. Existing Semantic Web ...
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OWLED
2007
14 years 11 months ago
2007
There are many query languages (QLs) that can be used to query RDF and OWL ontologies but neither type is satisfactory for querying OWL-DL ontologies. RDF-based QLs (RDQL, SeRQL, S...
WSKS
2009
Springer
15 years 2 months ago
2009
Springer
We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Me...
OTM
2007
Springer
15 years 4 months ago
2007
Springer
Lightweight ontologies in the form of RDF vocabularies such as SIOC, FOAF, vCard, etc. are increasingly being used and exported by “serious” applications recently. Such vocabul...
WS
2010
ACM
14 years 8 months ago
2010
ACM
One of the most important decisions researchers face when analyzing software systems is the choice of a proper data analysis/exchange format. In this paper, we present EvoOnt, a s...