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IJIT
2004
13 years 6 months ago
Consistent Hybrid Knowledge Representation in Order-Sorted Logic
Abstract-- We consider a hybrid knowledge representation system for ontological knowledge bases in order to maintain knowledge consistency between taxonomic knowledge and assertion...
Nwe Ni Tun, Satoshi Tojo
ICLP
1999
Springer
13 years 9 months ago
Event, Property, and Hierarchy in Order-Sorted Logic
Knowledge representation in logics, even in the order-sorted logic that includes a sort hierarchy, tends to lose the conciseness and the nuances of natural language. If we could c...
Ken Kaneiwa, Satoshi Tojo
AI
2011
Springer
12 years 12 months ago
Local closed world reasoning with description logics under the well-founded semantics
An important question for the upcoming Semantic Web is how to best combine open world ontology languages, such as the OWL-based ones, with closed world rule-based languages. One o...
Matthias Knorr, José Júlio Alferes, ...
KBS
2011
81views more  KBS 2011»
12 years 11 months ago
Existential rigidity and many modalities in order-sorted logic
Order-sorted logic is a useful tool for knowledge representation and reasoning because it enables representation of sorted terms and formulas along with partially ordered sorts (c...
Ken Kaneiwa
ISIPTA
2005
IEEE
157views Mathematics» more  ISIPTA 2005»
13 years 10 months ago
Possibilistic Networks with Locally Weighted Knowledge Bases
Possibilistic networks and possibilistic logic bases are important tools to deal with uncertain pieces of information. Both of them offer a compact representation of possibility ...
Salem Benferhat, Salma Smaoui