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» Description Logic Reasoner: System Description
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LICS
1999
IEEE
15 years 10 months ago
Counting and Addition Cannot Express Deterministic Transitive Closure
An important open question in complexity theory is whether the circuit complexity class TC0 is (strictly) weaker than LOGSPACE. This paper considers this question from the viewpoi...
Matthias Ruhl
DEXAW
2002
IEEE
99views Database» more  DEXAW 2002»
15 years 11 months ago
Using Preference Order in Ontologies
The latest ontology languages can be translated into a description logic (DL), thus providing them with a formal semantics and associated reasoning procedures. We introduce the or...
Stijn Heymans, Dirk Vermeir
ADC
2006
Springer
142views Database» more  ADC 2006»
16 years 10 days 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
ASWC
2006
Springer
15 years 10 months ago
Minerva: A Scalable OWL Ontology Storage and Inference System
With the increasing use of ontologies in Semantic Web and enterprise knowledge management, it is critical to develop scalable and efficient ontology management systems. In this pap...
Jian Zhou, Li Ma, Qiaoling Liu, Lei Zhang, Yong Yu...
DLOG
2003
15 years 7 months ago
Explanation of Terminological Reasoning: A Preliminary Report
This paper describes our current activities to supply extended reasoning support to knowledge engineers who are building terminologies using Description Logics (DL) reasoners. The...
Stefan Schlobach, Ronald Cornet