875 search results - page 6 / 175 » Querying XML Data with SPARQL |
PODS
2011
ACM
12 years 10 months ago
2011
ACM
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
This article is motivated by the importance of building web data mashups. Building on the remarkable success of Web 2.0 mashups, and specially Yahoo Pipes, we generalize the idea ...
WWW
2008
ACM
14 years 8 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 ...
GEOS
2009
Springer
14 years 3 days ago
2009
Springer
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
ODBIS
2007
Springer
14 years 1 months 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...