Expressive probabilistic description logics
Artificial Intelligence
Representing Uncertainty in RuleML
Fundamenta Informaticae
Probabilistic description logic programs under inheritance with overriding for the Semantic Web
International Journal of Approximate Reasoning
A Novel Combination of Answer Set Programming with Description Logics for the Semantic Web
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
Description Logic Programs Under Probabilistic Uncertainty and Fuzzy Vagueness
ECSQARU '07 Proceedings of the 9th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
Managing uncertainty and vagueness in description logics for the Semantic Web
Web Semantics: Science, Services and Agents on the World Wide Web
Ranking Services Using Fuzzy HEX Programs
RR '08 Proceedings of the 2nd International Conference on Web Reasoning and Rule Systems
Combining Fuzzy Description Logics and Fuzzy Logic Programs
WI-IAT '08 Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology - Volume 03
Compiling Fuzzy Answer Set Programs to Fuzzy Propositional Theories
ICLP '08 Proceedings of the 24th International Conference on Logic Programming
Description logic programs under probabilistic uncertainty and fuzzy vagueness
International Journal of Approximate Reasoning
Uncertainty in the Semantic Web
SUM '09 Proceedings of the 3rd International Conference on Scalable Uncertainty Management
Uncertainty Reasoning for the Semantic Web
RR '09 Proceedings of the 3rd International Conference on Web Reasoning and Rule Systems
Expressive reasoning with horn rules and fuzzy description logics
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
RR'07 Proceedings of the 1st international conference on Web reasoning and rule systems
Answer set programming for the semantic web
ICLP'07 Proceedings of the 23rd international conference on Logic programming
Hybrid reasoning with rules and ontologies
Semantic techniques for the web
SWRL-F: a fuzzy logic extension of the semantic web rule language
Proceedings of the International Conference on Web Intelligence, Mining and Semantics
Aggregated Fuzzy Answer Set Programming
Annals of Mathematics and Artificial Intelligence
A core language for fuzzy answer set programming
International Journal of Approximate Reasoning
Representing Uncertainty in RuleML
Fundamenta Informaticae
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Vagueness and imprecision abound in multimedia information processing and retrieval. In this paper, towards dealing with vagueness and imprecision in the reasoning layers of the Semantic Web, we present an approach to fuzzy description logic programs under the answer set semantics. We generalize normal description logic programs (dl-programs) under the answer set semantics by fuzzy vagueness and imprecision. We define a canonical semantics of positive and stratified fuzzy dl-programs in terms of a unique least model and iterative least models, respectively. We then define the answer set semantics of general fuzzy dlprograms, and show in particular that all answer sets of a fuzzy dl-program are minimal models, and that the answer set semantics of positive and stratified fuzzy dl-programs coincides with their canonical least model and iterative least model semantics, respectively. Furthermore, we also provide a characterization of the canonical semantics of positive and stratified fuzzy dl-programs in terms of a fixpoint and an iterative fixpoint semantics, respectively.