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» Extending XML Query Language Xcerpt by Ontology Queries
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DEXAW
2007
IEEE
128views Database» more  DEXAW 2007»
13 years 11 months ago
Sharing Data on the Grid using Ontologies and distributed SPARQL Queries
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...
Andreas Langegger, Martin Blöchl, Wolfram W&o...
BDA
2003
13 years 8 months ago
Evaluating XQuery in a full-XML mediation architecture
: XML has emerged as the leading language for representing and exchanging data not only on the Web, but also in general in the enterprise. XQuery is emerging as the standard query ...
Tuyet-Tram Dang-Ngoc, Georges Gardarin
SEMWEB
2001
Springer
13 years 11 months ago
Utilizing Host-Formalisms to Extend RDF-Semantics
Abstract. RDF may be considered as an application of XML intended to interoperably exchange semantics between Web applications. In its current form, this objective may be hard to r...
Wolfram Conen, Reinhold Klapsing
ICDT
2010
ACM
219views Database» more  ICDT 2010»
14 years 4 months ago
Aggregate Queries for Discrete and Continuous Probabilistic XML
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
Serge Abiteboul, T.-H Hubert Chan, Evgeny Kharlamo...
PVLDB
2010
151views more  PVLDB 2010»
13 years 5 months ago
Advanced Processing for Ontological Queries
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
Andrea Calì, Georg Gottlob, Andreas Pieris