Solving the maximum clique problem using a tabu search approach
Annals of Operations Research - Special issue on Tabu search
New methods to color the vertices of a graph
Communications of the ACM
Genetic, Iterated and Multistart Local Search for the Maximum Clique Problem
Proceedings of the Applications of Evolutionary Computing on EvoWorkshops 2002: EvoCOP, EvoIASP, EvoSTIM/EvoPLAN
A fast algorithm for the maximum clique problem
Discrete Applied Mathematics - Sixth Twente Workshop on Graphs and Combinatorial Optimization
A Branch and Bound Algorithm for the Stability Number of a Sparse Graph
INFORMS Journal on Computing
State of the art of graph-based data mining
ACM SIGKDD Explorations Newsletter
Variable neighborhood search for the maximum clique
Discrete Applied Mathematics - The fourth international colloquium on graphs and optimisation (GO-IV)
The Co-2-plex Polytope and Integral Systems
SIAM Journal on Discrete Mathematics
An efficient branch-and-bound algorithm for finding a maximum clique
DMTCS'03 Proceedings of the 4th international conference on Discrete mathematics and theoretical computer science
Clique Relaxations in Social Network Analysis: The Maximum k-Plex Problem
Operations Research
An algorithm for finding a maximum clique in a graph
Operations Research Letters
On social-temporal group query with acquaintance constraint
Proceedings of the VLDB Endowment
Exact combinatorial algorithms and experiments for finding maximum k-plexes
Journal of Combinatorial Optimization
Modeling affiliations in networks
Proceedings of the Winter Simulation Conference
Computational Optimization and Applications
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The maximum clique problem provides a classic framework for detecting cohesive subgraphs. However, this approach can fail to detect much of the cohesive structure in a graph. To address this issue, Seidman and Foster introduced k-plexes as a degree-based clique relaxation. More recently, Balasundaram et al. formulated the maximum k-plex problem as an integer program and designed a branch-and-cut algorithm. This paper derives a new upper bound on the cardinality of k-plexes and adapts combinatorial clique algorithms to find maximum k-plexes.