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» The Tractability of Global Constraints
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CPAIOR
2007
Springer
15 years 8 months ago
A Global Constraint for Total Weighted Completion Time
We introduce a novel global constraint for the total weighted completion time of activities on a single unary capacity resource. For propagating the constraint, an O(n4 ) algorithm...
András Kovács, J. Christopher Beck
CPAIOR
2009
Springer
15 years 8 months ago
Reformulating Global Grammar Constraints
An attractive mechanism to specify global constraints in rostering and other domains is via formal languages. For instance, the REGULAR and GRAMMAR constraints specify constraints ...
George Katsirelos, Nina Narodytska, Toby Walsh
CP
2008
Springer
15 years 3 months ago
Flow-Based Propagators for the SEQUENCE and Related Global Constraints
We propose new filtering algorithms for the SEQUENCE constraint and some extensions of the SEQUENCE constraint based on network flows. We enforce domain consistency on the SEQUENCE...
Michael J. Maher, Nina Narodytska, Claude-Guy Quim...
CONSTRAINTS
2011
14 years 9 months ago
A global constraint for total weighted completion time for unary resources
We introduce a novel global constraint for the total weighted completion time of activities on a single unary capacity resource. For propagating the constraint, we propose an O(n4...
András Kovács, J. Christopher Beck
ICPR
2000
IEEE
16 years 3 months ago
Robust Dense Matching Using Local and Global Geometric Constraints
A new robust dense matching algorithm is introduced in this paper. The algorithm starts from matching the most textured points, then a match propagation algorithm is developed wit...
Maxime Lhuillier, Long Quan