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CPAIOR
2007
Springer
15 years 4 months ago
Hybrid Local Search for Constrained Financial Portfolio Selection Problems
Portfolio selection is a relevant problem arising in finance and economics. While its basic formulations can be efficiently solved through linear or quadratic programming, its mor...
Luca Di Gaspero, Giacomo di Tollo, Andrea Roli, An...
AAI
2006
106views more  AAI 2006»
14 years 10 months ago
Metaheuristics for Handling Time Interval Coverage Constraints in Nurse Scheduling
The problem of finding a high quality timetable for personnel in a hospital ward has been addressed by many researchers, personnel managers and schedulers over a number of years. ...
Edmund K. Burke, Patrick De Causmaecker, Sanja Pet...
BMCBI
2010
116views more  BMCBI 2010»
14 years 10 months ago
A hybrid approach to protein folding problem integrating constraint programming with local search
Background: The protein folding problem remains one of the most challenging open problems in computational biology. Simplified models in terms of lattice structure and energy func...
Abu Zafer M. Dayem Ullah, Kathleen Steinhöfel
CSCLP
2008
Springer
14 years 11 months ago
From Rules to Constraint Programs with the Rules2CP Modelling Language
In this paper, we present a rule-based modelling language for constraint programming, called Rules2CP. Unlike other modelling languages, Rules2CP adopts a single knowledge represen...
François Fages, Julien Martin
SAC
2009
ACM
15 years 4 months ago
Exploiting weak dependencies in tree-based search
In this work, our objective is to heuristically discover a simplified form of functional dependencies between variables called weak dependencies. Once discovered, these relations...
Alejandro Arbelaez, Youssef Hamadi