COMMunity Evaluation and Transformation is the name of an detection algorithm based on the method of Louvain for finding partitioned and overlapping communities in bipartite directed and unipartite graphs.

Detection of communities from observation can help identify trends, make recommendations, offer new services, or facilitate communication. But the issues are not limited to the social sphere, it can be extended to the political sphere with the evolution of the partitioning of voters according to the evolution of the collection of voting intentions. Some other fields of application could be:

• marketing,
• restructuring of services,
• reorganization of entities,
• commercial,
• personalized dissemination,
• common interests center,
• brain connection path,
• etc.