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» SPARQLing constraints for RDF
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98
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SEMWEB
2009
Springer
15 years 4 months ago
XLWrap - Querying and Integrating Arbitrary Spreadsheets with SPARQL
In this paper a novel approach is presented for generating RDF graphs of arbitrary complexity from various spreadsheet layouts. Currently, none of the available spreadsheet-to-RDF ...
Andreas Langegger, Wolfram Wöß
PPSWR
2005
Springer
15 years 3 months ago
Logical Reconstruction of RDF and Ontology Languages
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 ...
Jos de Bruijn, Enrico Franconi, Sergio Tessaris
CADE
2012
Springer
13 years 15 hour ago
SPARQL Query Containment under RDFS Entailment Regime
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...
Melisachew Wudage Chekol, Jérôme Euze...
SEMWEB
2010
Springer
14 years 7 months ago
AnQL: SPARQLing Up Annotated RDFS
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...
Nuno Lopes 0002, Axel Polleres, Umberto Straccia, ...
83
Voted
WWW
2008
ACM
15 years 10 months ago
Querying for meta knowledge
The Semantic Web is based on accessing and reusing RDF data from many different sources, which one may assign different levels of authority and credibility. Existing Semantic Web ...
Bernhard Schueler, Sergej Sizov, Steffen Staab, Du...