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ANOR
2007
80views more  ANOR 2007»
13 years 10 months ago
The minimum shift design problem
The min-SHIFT DESIGN problem (MSD) is an important scheduling problem that needs to be solved in many industrial contexts. The issue is to find a minimum number of shifts and the...
Luca Di Gaspero, Johannes Gärtner, Guy Kortsa...
COR
2010
166views more  COR 2010»
13 years 10 months ago
Variable neighbourhood decomposition search for 0-1 mixed integer programs
In this paper we propose a new hybrid heuristic for solving 0-1 mixed integer programs based on the principle of variable neighbourhood decomposition search. It combines variable ...
Jasmina Lazic, Saïd Hanafi, Nenad Mladenovic,...
CORR
2008
Springer
107views Education» more  CORR 2008»
13 years 10 months ago
A Spectral Algorithm for Learning Hidden Markov Models
Hidden Markov Models (HMMs) are one of the most fundamental and widely used statistical tools for modeling discrete time series. In general, learning HMMs from data is computation...
Daniel Hsu, Sham M. Kakade, Tong Zhang
DISOPT
2010
129views more  DISOPT 2010»
13 years 10 months ago
Labeled Traveling Salesman Problems: Complexity and approximation
We consider labeled Traveling Salesman Problems, defined upon a complete graph of n vertices with colored edges. The objective is to find a tour of maximum or minimum number of co...
Basile Couëtoux, Laurent Gourvès, J&ea...
EOR
2010
119views more  EOR 2010»
13 years 10 months ago
Adaptive Tabu Search for course timetabling
This paper presents an Adaptive Tabu Search algorithm (denoted by ATS) for solving a problem of curriculum-based course timetabling. The proposed algorithm follows a general frame...
Zhipeng Lü, Jin-Kao Hao