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» The Shrinking Property for NP and coNP
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DLOG
2009
13 years 3 months ago
Reasoning About Typicality in ALC and EL
In this work we summarize our recent results on extending Description Logics for reasoning about prototypical properties and inheritance with exceptions. First, we focus our attent...
Laura Giordano, Valentina Gliozzi, Nicola Olivetti...
AI
2007
Springer
13 years 5 months ago
Computational properties of argument systems satisfying graph-theoretic constraints
One difficulty that arises in abstract argument systems is that many natural questions regarding argument acceptability are, in general, computationally intractable having been c...
Paul E. Dunne
DLOG
2006
13 years 6 months ago
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
COMBINATORICA
2008
92views more  COMBINATORICA 2008»
13 years 5 months ago
A separation theorem in property testing
Consider the following seemingly rhetorical question: Is it crucial for a property-tester to know the error parameter in advance? Previous papers dealing with various testing prob...
Noga Alon, Asaf Shapira
LPNMR
1997
Springer
13 years 9 months ago
Power Defaults
This paper introduces power default reasoning (PDR), a framework for nonmonotonic reasoning based on the domain-theoretic idea of modeling default rules with partial-information i...
Guo-Qiang Zhang, William C. Rounds