AN EXTRACTION AND EXPANSION APPROACH FOR GRAPH COLORING
Qinghua Wu () and
Jin-Kao Hao ()
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Qinghua Wu: School of Management, Huazhong University of Science and Technology, No. 1037, Luoyu Road, Wuhan, China;
Jin-Kao Hao: LERIA, Université, Université d'Angers, 2 Boulevard Lavoisier, 49045 Angers Cedex 01, France
Asia-Pacific Journal of Operational Research (APJOR), 2013, vol. 30, issue 05, 1-18
Abstract:
This paper presents an extraction and expansion approach for the graph coloring problem. The extraction phase transforms a large graph into a sequence of progressively smaller graphs by removing large independent sets from the graph. The expansion phase starts by generating an approximate coloring for the smallest graph in the sequence. Then it expands the smallest graph by progressively adding back the extracted independent sets and determine a coloring for each intermediate graph. To color each graph, a simple perturbation based tabu search algorithm is used. The proposed approach is evaluated on the DIMACS challenge benchmarks showing competitive results in comparison with the state-of-the-art methods.
Keywords: Graph coloring; independent set; tabu search; progressive optimization (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:wsi:apjorx:v:30:y:2013:i:05:n:s0217595913500188
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DOI: 10.1142/S0217595913500188
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