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COR
2010
146views more  COR 2010»
15 years 6 months ago
A search space "cartography" for guiding graph coloring heuristics
We present a search space analysis and its application in improving local search algorithms for the graph coloring problem. Using a classical distance measure between colorings, w...
Daniel Cosmin Porumbel, Jin-Kao Hao, Pascale Kuntz
JUCS
2010
106views more  JUCS 2010»
15 years 4 months ago
A Heuristic Approach to Positive Root Isolation for Multiple Power Sums
: Given a multiple power sum (extending polynomial’s exponents to real numbers), the positive root isolation problem is to find a list of disjoint intervals, satisfying that the...
Ming Xu, Chuandong Mu, Zhenbing Zeng, Zhi-bin Li
ICGA
1997
89views Optimization» more  ICGA 1997»
15 years 7 months ago
A Wave Analysis of the Subset Sum Problem
This paper introduces the wave model, a novel approach on analyzing the behavior of GAs. Our aim is to give techniques that have practical relevance and provide tools for improvin...
Márk Jelasity
ACISICIS
2007
IEEE
16 years 18 days ago
A Hybrid Simulated Annealing with Kempe Chain Neighborhood for the University Timetabling Problem
This paper addresses the problem of finding a feasible solution for the University Course Timetabling Problem (UCTP), i.e. a solution that satisfies all the so-called hard const...
Mauritsius Tuga, Regina Berretta, Alexandre Mendes
GECCO
2007
Springer
177views Optimization» more  GECCO 2007»
16 years 12 days ago
Evolutionary algorithms and matroid optimization problems
We analyze the performance of evolutionary algorithms on various matroid optimization problems that encompass a vast number of efficiently solvable as well as NP-hard combinatoria...
Joachim Reichel, Martin Skutella