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DAGSTUHL
2006
13 years 9 months ago
Constraint Satisfaction with Succinctly Specified Relations
Abstract. The general intractability of the constraint satisfaction problem (CSP) has motivated the study of the complexity of restricted cases of this problem. Thus far, the liter...
Hubie Chen, Martin Grohe
CPAIOR
2006
Springer
13 years 11 months ago
The Range Constraint: Algorithms and Implementation
Abstract. We recently proposed a simple declarative language for specifying a wide range of counting and occurrence constraints. The language uses just two global primitives: the R...
Christian Bessière, Emmanuel Hebrard, Brahi...
JANCL
2002
90views more  JANCL 2002»
13 years 7 months ago
A Topological Constraint Language with Component Counting
A topological constraint language is a formal language whose variables range over certain subsets of topological spaces, and whose nonlogical primitives are interpreted as topologi...
Ian Pratt-Hartmann
PR
2007
340views more  PR 2007»
13 years 7 months ago
Fast and robust fuzzy c-means clustering algorithms incorporating local information for image segmentation
— Fuzzy c-means (FCM) algorithms with spatial constraints (FCM_S) have been proven effective for image segmentation. However, they still have the following disadvantages: 1) Alth...
Weiling Cai, Songcan Chen, Daoqiang Zhang
CORR
2006
Springer
110views Education» more  CORR 2006»
13 years 7 months ago
An Analysis of Arithmetic Constraints on Integer Intervals
Arithmetic constraints on integer intervals are supported in many constraint programming systems. We study here a number of approaches to implement constraint propagation for thes...
Krzysztof R. Apt, Peter Zoeteweij