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JAR
2007
83views more  JAR 2007»
15 years 6 months ago
Theory Extension in ACL2(r)
ACL2(r) is a modified version of the theorem prover ACL2 that adds support for the irrational numbers using non-standard analysis. It has been used to prove basic theorems of anal...
Ruben Gamboa, John R. Cowles
ACL
1989
15 years 7 months ago
A Three-Valued Interpretation of Negation in Feature Structure Descriptions
Feature structures are informational elements that have been used in several linguistic theories and in computational systems for natural-language processing. A logicaJ calculus h...
Anuj Dawar, K. Vijay-Shanker
ICIW
2008
IEEE
16 years 23 days ago
XML Semantic Filtering via Ontology Reasoning
In this paper, we present an extension of PHIL, a declarative language for filtering information from XML data. The proposed approach allows us to extract relevant data as well a...
Michele Baggi, Moreno Falaschi, Demis Ballis
IAT
2009
IEEE
16 years 1 months ago
Computing Information Minimal Match Explanations for Logic-Based Matchmaking
Abstract—In semantic matchmaking processes it is often useful, when the obtained match is not full, to provide explanations for the mismatch, to leverage further interaction and/...
Tommaso Di Noia, Eugenio Di Sciascio, Francesco M....
CORR
2010
Springer
75views Education» more  CORR 2010»
15 years 6 months ago
Explicit Evidence Systems with Common Knowledge
Justification logics are epistemic logics that explicitly include justifications for the agents' knowledge. We develop a multi-agent justification logic with evidence terms fo...
Samuel Bucheli, Roman Kuznets, Thomas Studer