463 search results - page 20 / 93 » Querying semantic web data with SPARQL |
CIKM
1999
Springer
14 years 2 months ago
1999
Springer
A semantic caching scheme suitable for wrappers wrapping web sources is presented. Since the web sources have typically weaker querying capabilities than conventional databases, e...
ER
2004
Springer
14 years 1 months ago
2004
Springer
The semantic web envisions a World Wide Web in which data is described with rich semantics and applications can pose complex queries. Ontologies, a cornerstone of the semantic web,...
PPSWR
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. Time is omnipresent on the (Semantic) Web. However, formalism like XML, XML Schema, RDF, OWL and (Semantic) Web query languages have, if any, only very limited notions of...
ER
2006
Springer
14 years 1 months ago
2006
Springer
One of the main drawbacks of the Semantic Web is the lack of semantically rich data, since most of the information is still stored in relational databases. In this paper, we presen...
DEXAW
2007
IEEE
14 years 4 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...