PeerMatcher: Decentralized Partnership Formation
van Halteren, A.
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This paper presents PeerMatcher, a fully decentralized algorithm solving the k-clique matching problem. The aim of k-clique matching is to cluster a set of nodes having pairwise weights into k-size groups of maximal total weight. Since solving the problem requires exponential time, PeerMatcher employs a novel set of heuristics that aim at converging to the optimal grouping while keeping the associated time and computational complexity low. A key feature is the use of peer-to-peer communication. An extensive evaluation of PeerMatcher demonstrates its accuracy, efficiency, and scalability.