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» Knowledge and the Problem of Logical Omniscience
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SWAP
2008
13 years 10 months ago
Learning SHIQ+log Rules for Ontology Evolution
The definition of new concepts or roles for which extensional knowledge become available can turn out to be necessary to make a DL ontology evolve. In this paper we reformulate thi...
Francesca A. Lisi, Floriana Esposito
HICSS
2009
IEEE
143views Biometrics» more  HICSS 2009»
14 years 3 months ago
Instance Data Evaluation for Semantic Web-Based Knowledge Management Systems
As semantic web technologies are increasingly used to empower knowledge management systems (KMSs), there is a growing need for mechanisms and automated tools for checking content ...
Jiao Tao, Li Ding, Deborah L. McGuinness
CORR
2006
Springer
143views Education» more  CORR 2006»
13 years 9 months ago
A Knowledge-Based Approach for Selecting Information Sources
Through the Internet and the World-Wide Web, a vast number of information sources has become available, which offer information on various subjects by different providers, often i...
Thomas Eiter, Michael Fink, Hans Tompits
TPLP
2010
115views more  TPLP 2010»
13 years 7 months ago
Towards closed world reasoning in dynamic open worlds
The need for integration of ontologies with nonmonotonic rules has been gaining importance in a number of areas, such as the Semantic Web. A number of researchers addressed this p...
Martin Slota, João Leite
EUSFLAT
2001
183views Fuzzy Logic» more  EUSFLAT 2001»
13 years 10 months ago
On fuzzy rule-based algorithms for image segmentation using gray-level histogram analysis
One of the biggest problems in computer vision systems, analyzing images having high uncertainty/vagueness degree, is the treatment of such uncertainty. This problem is even clear...
Eduard Montseny, Pilar Sobrevilla