Exact clustering via integer programming and maximum satisfiability

A Miyauchi, T Sonobe, N Sukegawa - Proceedings of the AAAI …, 2018 - ojs.aaai.org
We consider the following general graph clustering problem: given a complete undirected
graph G=(V, E, c) with an edge weight function c: E-> Q, we are asked to find a partition C of …

Solving clique partitioning problems: A comparison of models and commercial solvers

Y Du, G Kochenberger, F Glover, H Wang… - … Journal of Information …, 2022 - World Scientific
Finding good solutions to clique partitioning problems remains a computational challenge.
With rare exceptions, finding optimal solutions for all but small instances is not practically …

Colorful path detection in vertex-colored temporal

R Dondi, MM Hosseinzadeh - Network Science, 2023 - cambridge.org
Finding paths is a fundamental problem in graph theory and algorithm design due to its
many applications. Recently, this problem has been considered on temporal graphs, where …

CP-Lib: Benchmark Instances of the Clique Partitioning Problem

MM Sørensen, AN Letchford - Mathematical Programming Computation, 2024 - Springer
Abstract The Clique Partitioning Problem is a fundamental and much-studied NP-hard
combinatorial optimisation problem, with many applications. Several families of benchmark …

Concise integer linear programming formulation for clique partitioning problems

M Koshimura, E Watanabe, Y Sakurai, M Yokoo - Constraints, 2022 - Springer
Abstract A Clique Partitioning Problem (CPP) finds an optimal partition of a given edge-
weighted undirected graph, such that the sum of the weights is maximized. This general …

Multi-sentence compression with word vertex-labeled graphs and integer linear programming

EL Pontes, S Huet, TG Da Silva… - NAACL-HLT 12th …, 2018 - hal.science
Multi-Sentence Compression (MSC) aims to generate a short sentence with key information
from a cluster of closely related sentences. MSC enables summarization and question …

Tropical paths in vertex-colored graphs

J Cohen, GF Italiano, Y Manoussakis, NK Thang… - Journal of Combinatorial …, 2021 - Springer
A subgraph of a vertex-colored graph is said to be tropical whenever it contains each color
of the initial graph. In this work we study the problem of finding tropical paths in vertex …

Connected tropical subgraphs in vertex-colored graphs

JAA d'Auriac, N Cohen, H El Mafthoui… - Discrete …, 2016 - dmtcs.episciences.org
A subgraph of a vertex-colored graph is said to be tropical whenever it contains each color
of the graph. In this work we study the problem of finding a minimal connected tropical …

Branch-and-cut algorithms for colorful components problems

C Archetti, M Cerulli, C Sorgente - arXiv preprint arXiv:2408.16508, 2024 - arxiv.org
We tackle three optimization problems in which a colored graph, where each node is
assigned a color, must be partitioned into colorful connected components. A component is …

Algorithmic and hardness results for the colorful components problems

A Adamaszek, A Popa - Algorithmica, 2015 - Springer
In this paper we investigate the colorful components framework, motivated by applications
emerging from comparative genomics. The general goal is to remove a collection of edges …