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MICAI
2004
Springer
15 years 7 months ago
A Preprocessing That Combines Heuristic and Surrogate Constraint Analysis to Fix Variables in TSP
A preprocessing procedure that uses a local guided search defined in terms of a neighborhood structure to get a feasible solution (UB) and the Osorio and Glover[18, 20] exploiting ...
María Auxilio Osorio Lama, David Pinto
ACL
2009
14 years 11 months ago
Concise Integer Linear Programming Formulations for Dependency Parsing
We formulate the problem of nonprojective dependency parsing as a polynomial-sized integer linear program. Our formulation is able to handle non-local output features in an effici...
André L. Martins, Noah A. Smith, Eric P. Xi...
CP
2005
Springer
15 years 7 months ago
Applying Constraint Programming to Rigid Body Protein Docking
In this paper we show how Constraint Programming (CP) techniques can improve the efficiency and applicability of grid-based algorithms for optimising surface contact between comple...
Ludwig Krippahl, Pedro Barahona
COCOA
2008
Springer
15 years 3 months ago
Efficient Method for Periodic Task Scheduling with Storage Requirement Minimization
Abstract. In this paper, we study an efficient approximate integer linear programming formulation of the general problem of one-dimensional periodic task scheduling under storage r...
Karine Deschinkel, Sid Ahmed Ali Touati
CP
2006
Springer
15 years 5 months ago
The ROOTS Constraint
A wide range of counting and occurrence constraints can be specified with just two global primitives: the Range constraint, which computes the range of values used by a sequence of...
Christian Bessière, Emmanuel Hebrard, Brahi...