369 search results - page 2 / 74 » Querying Distributed RDF Data Sources with SPARQL |
WWW
2008
ACM
14 years 5 months ago
2008
ACM
Easy reuse and integration of declaratively described information in a distributed setting is one of the main motivations for building the Semantic Web. Despite of this claim, reu...
WWW
2011
ACM
12 years 11 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
CIKM
2008
Springer
13 years 6 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 ...
ICEIS
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract. In the Web environment, rich, diverse sources of heterogeneous and distributed data are ubiquitous. In fact, even the information characterizing a single entity - like, f...
ESWS
2010
Springer
13 years 3 months ago
2010
Springer
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...