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» Complexity of the Unique Extension Problem in Default Logic
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AAAI
2006
14 years 11 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
AGP
2003
IEEE
15 years 2 months ago
Ordered Programs as Abductive Systems
In ordered logic programs, i.e. partially ordered sets of clauses where smaller rules carry more preference, inconsistencies, which appear as conflicts between applicable rules, a...
Davy Van Nieuwenborgh, Dirk Vermeir
LPAR
2010
Springer
14 years 8 months ago
On the Complexity of Model Expansion
Abstract. We study the complexity of model expansion (MX), which is the problem of expanding a given finite structure with additional relations to produce a finite model of a giv...
Antonina Kolokolova, Yongmei Liu, David G. Mitchel...
86
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QSHINE
2005
IEEE
15 years 3 months ago
Solving The Multi-Constrained Path Selection Problem By Using Depth First Search
An extended depth-first-search (EDFS) algorithm is proposed to solve the multi-constrained path (MCP) problem in quality-of-service (QoS) routing, which is NP-Complete when the n...
Zhenjiang Li, J. J. Garcia-Luna-Aceves
IBERAMIA
2010
Springer
14 years 7 months ago
A Computational Method for Defeasible Argumentation Based on a Recursive Warrant Semantics
In a recent paper [2] the authors have formalized a recursive semantics for warranted conclusions in a general defeasible argumentation framework based on a propositional logic. Th...
Teresa Alsinet, Ramón Béjar, Lluis G...