1791 search results - page 2 / 359 » Semantics and Complexity of SPARQL |
WWW
2010
ACM
14 years 5 months ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...
ESWS
2008
Springer
14 years 19 days ago
2008
Springer
The goal of this paper is to give an overview of the basics of the theory of RDF databases. We provide a formal definition of RDF that includes the features that distinguish this m...
ESWS
2008
Springer
14 years 19 days ago
2008
Springer
Exploiting the complex structure of relational data enables to build better models by taking into account the additional information provided by the links between objects. We exten...
DLOG
2011
13 years 2 months ago
2011
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
PPSWR
2005
Springer
14 years 4 months ago
2005
Springer
In this sketchy paper we introduce a logical reconstruction of the RDF family of languages and the OWL-DL family of languages. We prove that our logical framework is equivalent to ...