463 search results - page 8 / 93 » Querying semantic web data with SPARQL |
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
ICLP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The system presented in this paper aims at using Contextual Logic Programming as a computational hub for knowledge modeled by web ontologies and enable querying that repr...
OTM
2007
Springer
14 years 1 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...
WEBDB
2010
Springer
13 years 11 months ago
2010
Springer
Data on the Web is increasingly being used for discovery and exploratory tasks. Unlike traditional fact-finding tasks that require only the typical single-query and response parad...
DEXAW
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper RDFStats is introduced, which is a generator for statistics of RDF sources like SPARQL endpoints and RDF documents. RDFStats does not only provide a statistics gen...