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» Improved sorting-based procedure for integer programming
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EOR
2006
148views more  EOR 2006»
14 years 9 months ago
Pareto ant colony optimization with ILP preprocessing in multiobjective project portfolio selection
One of the most important, common and critical management issues lies in determining the "best" project portfolio out of a given set of investment proposals. As this dec...
Karl F. Doerner, Walter J. Gutjahr, Richard F. Har...
CORR
2008
Springer
132views Education» more  CORR 2008»
14 years 9 months ago
Building Better Nurse Scheduling Algorithms
The aim of this research is twofold: Firstly, to model and solve a complex nurse scheduling problem with an integer programming formulation and evolutionary algorithms. Secondly, ...
Uwe Aickelin, Paul White
90
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COR
2008
99views more  COR 2008»
14 years 9 months ago
Repairing MIP infeasibility through local branching
Finding a feasible solution to a generic Mixed-Integer Program (MIP) is often a very difficult task. Recently, two heuristic approaches called Feasibility Pump and Local Branching...
Matteo Fischetti, Andrea Lodi
ANOR
2011
175views more  ANOR 2011»
14 years 4 months ago
Integrated exact, hybrid and metaheuristic learning methods for confidentiality protection
A vital task facing government agencies and commercial organizations that report data is to represent the data in a meaningful way and simultaneously to protect the confidentialit...
Fred Glover, Lawrence H. Cox, Rahul Patil, James P...
79
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MONET
2008
77views more  MONET 2008»
14 years 9 months ago
On Relay Node Placement and Assignment for Two-tiered Wireless Networks
Wireless networks that operate on batteries are imposed with energy constraints and long distance communications between nodes are not desirable. Implementing Relay Nodes (RNs) can...
Wenxuan Guo, Xin-Ming Huang, Wenjing Lou, Cao Lian...