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146
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AI
2008
Springer
15 years 4 months ago
What makes propositional abduction tractable
Abduction is a fundamental form of nonmonotonic reasoning that aims at finding explanations for observed manifestations. This process underlies many applications, from car configu...
Gustav Nordh, Bruno Zanuttini
128
Voted
IGPL
2008
124views more  IGPL 2008»
15 years 4 months ago
The Ricean Objection: An Analogue of Rice's Theorem for First-order Theories
We propose here an extension of Rice's Theorem to first-order logic, proven by totally elementary means. If P is any property defined over the collection of all first-order t...
Igor Carboni Oliveira, Walter Alexandre Carnielli
135
Voted
CORR
2010
Springer
92views Education» more  CORR 2010»
15 years 4 months ago
Parameterizing by the Number of Numbers
The usefulness of parameterized algorithmics has often depended on what Niedermeier has called, "the art of problem parameterization." In this paper we introduce and expl...
Michael R. Fellows, Serge Gaspers, Frances A. Rosa...
CORR
2010
Springer
141views Education» more  CORR 2010»
15 years 3 months ago
Popularity at Minimum Cost
We consider an extension of the popular matching problem in this paper. The input to the popular matching problem is a bipartite graph G = (A ∪ B, E), where A is a set of people,...
Telikepalli Kavitha, Meghana Nasre, Prajakta Nimbh...
154
Voted
TCS
2010
15 years 3 months ago
Clustering with partial information
The Correlation Clustering problem, also known as the Cluster Editing problem, seeks to edit a given graph by adding and deleting edges to obtain a collection of disconnected cliq...
Hans L. Bodlaender, Michael R. Fellows, Pinar Hegg...