Sciweavers

380 search results - page 3 / 76
» Cluster Graphs as Abstractions for Constraint Satisfaction P...
Sort
View
EJC
2010
13 years 5 months ago
Dualities in full homomorphisms
Abstract. In this paper we study dualities of graphs and, more generally, relational structures with respect to full homomorphisms, that is, mappings that are both edge- and non-ed...
Richard N. Ball, Jaroslav Nesetril, Ales Pultr
CORR
2010
Springer
154views Education» more  CORR 2010»
13 years 2 months ago
Complexity of Homogeneous Co-Boolean Constraint Satisfaction Problems
Constraint Satisfaction Problems (CSP) constitute a convenient way to capture many combinatorial problems. The general CSP is known to be NP-complete, but its complexity depends on...
Florian Richoux
ICTAI
2009
IEEE
13 years 3 months ago
A Generalized Cyclic-Clustering Approach for Solving Structured CSPs
We propose a new method for solving structured CSPs which generalizes and improves the Cyclic-Clustering approach [4]. First, the cutset and the tree-decomposition of the constrai...
Cédric Pinto, Cyril Terrioux
DAGSTUHL
2008
13 years 6 months ago
Constraint Satisfaction Problems with Infinite Templates
Allowing templates with infinite domains greatly expands the range of problems that can be formulated as a non-uniform constraint satisfaction problem. It turns out that many CSPs ...
Manuel Bodirsky
CORR
2007
Springer
147views Education» more  CORR 2007»
13 years 5 months ago
Decomposition During Search for Propagation-Based Constraint Solvers
Abstract. We describe decomposition during search (DDS), an integration of And/Or tree search into propagation-based constraint solvers. The presented search algorithm dynamically ...
Martin Mann, Guido Tack, Sebastian Will