Sciweavers

73 search results - page 9 / 15
» Algorithms for Paraconsistent Reasoning with OWL
Sort
View
DLOG
2010
13 years 5 months ago
Updating TBoxes in DL-Lite
Abstract. We study the problem of updates for TBoxes represented in Description Logics of the DL-Lite family. DL-Lite is at the basis of OWL 2 QL, one of the tractable fragments of...
Dmitriy Zheleznyakov, Diego Calvanese, Evgeny Khar...
ECAI
2010
Springer
13 years 8 months ago
Parallel TBox Classification in Description Logics - First Experimental Results
Abstract. One of the most frequently used inference services of description logic reasoners classifies all named classes of OWL ontologies into a subsumption hierarchy. Due to emer...
Mina Aslani, Volker Haarslev
DLOG
2009
13 years 5 months ago
Soundness Preserving Approximation for TBox Reasoning in R
Abstract. TBox reasoning in description logics is hard. For example, reasoning in SROIQ (i.e. OWL2-DL) is N2EXPTIME-complete; even with R, a fragment of SROIQ supporting ALC GCIs a...
Yuan Ren, Jeff Z. Pan, Yuting Zhao
PODS
2010
ACM
197views Database» more  PODS 2010»
13 years 8 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
PPSWR
2005
Springer
14 years 1 months ago
A Geospatial World Model for the Semantic Web
The Semantic Web is an endeavour aiming at enhancing Web data with meta-data and data processing, as well as processing methods specifying the “meaning” of such data and allowi...
François Bry, Bernhard Lorenz, Hans Jü...