Fuzzy sets and fuzzy logic: theory and applications
Fuzzy sets and fuzzy logic: theory and applications
Practical Reasoning for Expressive Description Logics
LPAR '99 Proceedings of the 6th International Conference on Logic Programming and Automated Reasoning
Monotonic and Residuated Logic Programs
ECSQARU '01 Proceedings of the 6th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
A proposal for an owl rules language
Proceedings of the 13th international conference on World Wide Web
An enhanced model for searching in semantic portals
WWW '05 Proceedings of the 14th international conference on World Wide Web
Reasoning within fuzzy description logics
Journal of Artificial Intelligence Research
Generalizing term subsumption languages to fuzzy logic
IJCAI'91 Proceedings of the 12th international joint conference on Artificial intelligence - Volume 1
OWL-Eu: adding customised datatypes into OWL
ESWC'05 Proceedings of the Second European conference on The Semantic Web: research and Applications
Towards a fuzzy description logic for the semantic web (preliminary report)
ESWC'05 Proceedings of the Second European conference on The Semantic Web: research and Applications
Scalable querying services over fuzzy ontologies
Proceedings of the 17th international conference on World Wide Web
Representing Uncertainty in RuleML
Fundamenta Informaticae
Combining weights with fuzziness for intelligent semantic web search
Knowledge-Based Systems
Vague-SWRL: A Fuzzy Extension of SWRL
RR '08 Proceedings of the 2nd International Conference on Web Reasoning and Rule Systems
If-Then and If-Then-Unless Rules in the Semantic Web
WI-IAT '09 Proceedings of the 2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology - Volume 01
Nonmonotonic fuzzy rules in the semantic web
FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 2
Combining description logics and Horn rules with uncertainty in ARTIGENCE
Knowledge-Based Systems
Representing instructional design methods using ontologies and rules
Knowledge-Based Systems
Representing Uncertainty in RuleML
Fundamenta Informaticae
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Although the combination of OWL and Horn rules results in the creation of a highly expressive language, i.e. SWRL, there are still many occasions where this language fails to accurately represent knowledge of our world. In particular, SWRL fails at representing vague and imprecise knowledge and information. Such type of information is apparent in many applications like multimedia processing and retrieval, information fusion, etc. In this paper, we propose f-SWRL, a fuzzy extension to SWRL to include fuzzy assertions (such as ‘Mary is tall in the degree of 0.9') and fuzzy rules (such as ‘being healthy is more important than being rich to determine if one is happy').