Results 11 to 20 of about 4,404 (137)
Weak nonmonotonic probabilistic logics
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Thomas Lukasiewicz
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Complexity Results for Nonmonotonic Logics
The paper provides complexity results for three problems of several nonmonotonic logics. Testing of existence of a fixed point and deciding whether a formula belongs to at least one fixed point are \(\Sigma^ P_ 2\)-complete. Deciding whether a formula belongs to all fixed points is \(\Pi^ P_ 2\)-complete.
Georg Gottlob
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Reasoning about Minimal Belief and Negation as Failure
We investigate the problem of reasoning in the propositional fragment of MBNF, the logic of minimal belief and negation as failure introduced by Lifschitz, which can be considered as a unifying framework for several nonmonotonic formalisms, including ...
Rosati, R.
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Optimizing the computation of overriding
We introduce optimization techniques for reasoning in DLN---a recently introduced family of nonmonotonic description logics whose characterizing features appear well-suited to model the applicative examples naturally arising in biomedical domains and ...
BC Grau +17 more
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Querying disjunctive databases through nonmonotonic logics
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BONATTI, PIERO ANDREA, T. Eiter
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Loop Formulas for Description Logic Programs
Description Logic Programs (dl-programs) proposed by Eiter et al. constitute an elegant yet powerful formalism for the integration of answer set programming with description logics, for the Semantic Web.
Brewka +13 more
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Nonmonotonic Logics and Semantics
Tarski gave a general semantics for deductive reasoning: a formula a may be deduced from a set A of formulas iff a holds in all models in which each of the elements of A holds. A more liberal semantics has been considered: a formula a may be deduced from a set A of formulas iff a holds in all of the "preferred" models in which all the elements of A ...
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A Description Logic Framework for Commonsense Conceptual Combination Integrating Typicality, Probabilities and Cognitive Heuristics [PDF]
We propose a nonmonotonic Description Logic of typicality able to account for the phenomenon of concept combination of prototypical concepts. The proposed logic relies on the logic of typicality ALC TR, whose semantics is based on the notion of rational ...
Lieto, Antonio, Pozzato, Gian Luca
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Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley +1 more source
Inductive equivalence in clausal logic and nonmonotonic logic programming [PDF]
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Sakama, Chiaki, Inoue, Katsumi
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