369 search results - page 5 / 74 » Querying Distributed RDF Data Sources with SPARQL |
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...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
C-SPARQL is an extension of SPARQL to support continuous queries over RDF data streams. Supporting streams in RDF format guarantees interoperability and opens up important applica...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...
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...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Large knowledge bases consisting of entities and relationships between them have become vital sources of information for many applications. Most of these knowledge bases adopt the...