60 search results - page 2 / 12 » An Extension of SPARQL for RDFS |
ESWS
2008
Springer
13 years 7 months 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...
SWAP
2007
13 years 6 months ago
2007
Abstract. Ontologies are pervading many areas of knowledge representation and management. To date, most research efforts have been spent on the development of sufficiently express...
SEMWEB
2010
Springer
13 years 3 months ago
2010
Springer
Starting from the general framework for Annotated RDFS which we presented in previous work (extending Udrea et al's Annotated RDF), we address the development of a query langu...
CADE
2012
Springer
11 years 7 months ago
2012
Springer
The problem of SPARQL query containment is defined as determining if the result of one query is included in the result of another for any RDF graph. Query containment is important...
DEXAW
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper we explore embeddings of the various kinds of RDF entailment in F-Logic. We show that the embeddings of simple, RDF, and RDFS entailment, as well as a large fragment...