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ICDT
2010
ACM
180views Database» more  ICDT 2010»
16 years 2 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
SEMWEB
2009
Springer
15 years 11 months ago
Queries to Hybrid MKNF Knowledge Bases through Oracular Tabling
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
José Júlio Alferes, Matthias Knorr, ...
GEOS
2007
Springer
15 years 11 months ago
Algorithm, Implementation and Application of the SIM-DL Similarity Server
Abstract. Semantic similarity measurement gained attention as a methodology for ontology-based information retrieval within GIScience over the last years. Several theories explain ...
Krzysztof Janowicz, Carsten Keßler, Mirco Sc...
EKAW
2008
Springer
15 years 6 months ago
On the Influence of Description Logics Ontologies on Conceptual Similarity
Similarity measures play a key role in the Semantic Web perspective. Indeed, most of the ontology related operations such as ontology learning, ontology alignment, ontology ranking...
Claudia d'Amato, Steffen Staab, Nicola Fanizzi
140
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ISEMANTICS
2010
15 years 6 months ago
STEX+: a system for flexible formalization of linked data
We present the STEX system, a semantic extension of LATEX, that allows for producing high-quality PDF documents for (proof)reading and printing, as well as semantic XML/OMDoc docu...
Andrea Kohlhase, Michael Kohlhase, Christoph Lange...