Given a simple undirected weighted or unweighted graph, we try to cluster the vertex set into communities and also to quantify the robustness of these clusters. For that task, we propose a new method, called bootstrap clustering which consists in (i) defining a new clustering algorithm for graphs, (ii) building a set of graphs similar to the initial one, (iii) applying the clustering method to each of them, making a profile (set) of partitions, (iv) computing a consensus partition for this profile, which is the final graph partitioning. This allows to evaluate the robustness of a cluster as the average percentage of partitions in the profile joining its element pairs ; this notion can be extended to partitions. Doing so, the initial and consensus partitions can be compared. A simulation protocol, based on random graphs structured in communities is designed to evaluate the efficiency of the Bootstrap Clustering approach.
Mots-clés : graph partitioning, clustering, modularity, consensus of partitions, bootstrap
@article{RO_2011__45_4_339_0, author = {Gambette, Philippe and Gu\'enoche, Alain}, title = {Bootstrap clustering for graph partitioning}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {339--352}, publisher = {EDP-Sciences}, volume = {45}, number = {4}, year = {2011}, doi = {10.1051/ro/2012001}, mrnumber = {2935706}, zbl = {1238.05116}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ro/2012001/} }
TY - JOUR AU - Gambette, Philippe AU - Guénoche, Alain TI - Bootstrap clustering for graph partitioning JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2011 SP - 339 EP - 352 VL - 45 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2012001/ DO - 10.1051/ro/2012001 LA - en ID - RO_2011__45_4_339_0 ER -
%0 Journal Article %A Gambette, Philippe %A Guénoche, Alain %T Bootstrap clustering for graph partitioning %J RAIRO - Operations Research - Recherche Opérationnelle %D 2011 %P 339-352 %V 45 %N 4 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2012001/ %R 10.1051/ro/2012001 %G en %F RO_2011__45_4_339_0
Gambette, Philippe; Guénoche, Alain. Bootstrap clustering for graph partitioning. RAIRO - Operations Research - Recherche Opérationnelle, Tome 45 (2011) no. 4, pp. 339-352. doi : 10.1051/ro/2012001. http://www.numdam.org/articles/10.1051/ro/2012001/
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