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ANOR
2002
99views more  ANOR 2002»
15 years 4 months ago
A General Approach to the Physician Rostering Problem
Abstract. This paper presents a hybridization of a Constraint Programming (CP) model and search techniques with Local Search (LS) and some ideas borrowed from Genetic Algorithms (G...
Louis-Martin Rousseau, Gilles Pesant, Michel Gendr...
PAMI
2010
139views more  PAMI 2010»
15 years 3 months ago
Order-Preserving Moves for Graph-Cut-Based Optimization
— In the last decade, graph-cut optimization has been popular for a variety of labeling problems. Typically graph-cut methods are used to incorporate smoothness constraints on a ...
Xiaoqing Liu, Olga Veksler, Jagath Samarabandu
CP
2004
Springer
15 years 8 months ago
Unary Resource Constraint with Optional Activities
Scheduling is one of the most successful application areas of constraint programming mainly thanks to special global constraints designed to model resource restrictions. Among thes...
Petr Vilím, Roman Barták, Ondrej Cep...
WABI
2007
Springer
122views Bioinformatics» more  WABI 2007»
15 years 11 months ago
Algorithms for the Extraction of Synteny Blocks from Comparative Maps
In comparing genomic maps, it is often difficult to distinguish mapping errors and incorrectly resolved paralogies from genuine rearrangements of the genomes. A solution to this ...
Vicky Choi, Chunfang Zheng, Qian Zhu, David Sankof...
ICALP
2009
Springer
16 years 5 months ago
Node-Weighted Steiner Tree and Group Steiner Tree in Planar Graphs
We improve the approximation ratios for two optimization problems in planar graphs. For node-weighted Steiner tree, a classical network-optimization problem, the best achievable ap...
Erik D. Demaine, MohammadTaghi Hajiaghayi, Philip ...