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» Debugging OWL ontologies
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ICAI
2009
13 years 6 months ago
BayesOWL: A Prototype System for Uncertainty in Semantic Web
: Previously we have proposed a theoretical framework, called BayesOWL, to model uncertainty in semantic web ontologies based on Bayesian networks. In particular, we have developed...
Shenyong Zhang, Yi Sun, Yun Peng, Xiaopu Wang
CADE
2005
Springer
14 years 9 months ago
The OWL Instance Store: System Description
Abstract. We describe the instance store, a system for reasoning about individuals (i.e., instances of classes) in OWL ontologies. By using a hybrid reasoner/database architecture,...
Sean Bechhofer, Ian Horrocks, Daniele Turi
DLOG
2011
13 years 10 days ago
On (In)Tractability of OBDA with OWL 2 QL
We show that, although conjunctive queries over OWL 2 QL ontologies are reducible to database queries, no algorithm can construct such a reduction in polynomial time without changi...
Stanislav Kikot, Roman Kontchakov, Michael Zakhary...
SEMWIKI
2008
168views Data Mining» more  SEMWIKI 2008»
13 years 10 months ago
AceWiki: Collaborative Ontology Management in Controlled Natural Language
AceWiki is a prototype that shows how a semantic wiki using controlled natural language -- Attempto Controlled English (ACE) in our case -- can make ontology management easy for ev...
Tobias Kuhn
ESWS
2004
Springer
14 years 2 months ago
Methods for Porting Resources to the Semantic Web
Ontologies will play a central role in the development of the Semantic Web. It is unrealistic to assume that such ontologies will be developed from scratch. Rather, we assume that ...
Bob J. Wielinga, Jan Wielemaker, Guus Schreiber, M...