The maximum edge-weight clique problem is to find a clique whose sum of edge-weight is the maximum for a given edge-weighted undirected graph. The problem is NP-hard and some branch-and-bound algorithms have been proposed. In this paper, we propose a new exact algorithm based on branch-and-bound. It assigns edge-weights to vertices and calculates upper bounds using vertex coloring. By some computational experiments, we confirmed our algorithm is faster than previous algorithms.
@article{arxiv.1810.10258,
title = {A Maximum Edge-Weight Clique Extraction Algorithm Based on Branch-and-Bound},
author = {Satoshi Shimizu and Kazuaki Yamaguchi and Sumio Masuda},
journal= {arXiv preprint arXiv:1810.10258},
year = {2018}
}