Sciweavers

235 search results - page 28 / 47
» Ontology Reasoning in the SHOQ(D) Description Logic
Sort
View
PSSS
2003
13 years 9 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin
DEXAW
2008
IEEE
91views Database» more  DEXAW 2008»
14 years 2 months ago
Dynamic Taxonomies for the Semantic Web
The semantic web aims at enabling the web to understand and answer the requests from people and machines. It relies on several standards for representing and reasoning about web c...
Pierre Allard, Sébastien Ferré
ADC
2006
Springer
142views Database» more  ADC 2006»
14 years 1 months ago
An optimization for query answering on ALC database
Query answering over OWLs and RDFs on the Semantic Web is, in general, a deductive process. To this end, OWL, a family of web ontology languages based on description logic, has be...
Pakornpong Pothipruk, Guido Governatori
LPAR
2010
Springer
13 years 5 months ago
SAT Encoding of Unification in EL
Unification in Description Logics has been proposed as a novel inference service that can, for example, be used to detect redundancies in ontologies. In a recent paper, we have sho...
Franz Baader, Barbara Morawska
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