Results 21 to 30 of about 5,971,608 (284)

Graph Neural Networks for Maximum Constraint Satisfaction

open access: yesFrontiers in Artificial Intelligence, 2021
Many combinatorial optimization problems can be phrased in the language of constraint satisfaction problems. We introduce a graph neural network architecture for solving such optimization problems.
Jan Tönshoff   +3 more
doaj   +1 more source

The complexity of global cardinality constraints [PDF]

open access: yesLogical Methods in Computer Science, 2010
In a constraint satisfaction problem (CSP) the goal is to find an assignment of a given set of variables subject to specified constraints. A global cardinality constraint is an additional requirement that prescribes how many variables must be assigned a ...
Andrei A. Bulatov, Daniel Marx
doaj   +1 more source

Compiling constraint satisfaction problems

open access: yesArtificial Intelligence, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Weigel, R., Faltings, B.
openaire   +3 more sources

Automated static symmetry breaking in constraint satisfaction problems [PDF]

open access: yes, 2011
Variable symmetries in constraint satisfaction problems can be broken by adding lexicographic ordering constraints. Existing general methods of generating such sets of ordering constraints can produce a huge number of additional constraints. This adds
Grayland, Andrews
core   +2 more sources

Sensitive instances of the Constraint Satisfaction Problem

open access: yesCoRR, 2020
We investigate the impact of modifying the constraining relations of a Constraint Satisfaction Problem (CSP) instance, with a fixed template, on the set of solutions of the instance. More precisely we investigate sensitive instances: an instance of the CSP is called sensitive, if removing any tuple from any constraining relation invalidates some ...
Barto, Libor   +3 more
openaire   +7 more sources

Attitude stabilization of spacecraft simulator based on modified constrained feedback linearization model predictive control

open access: yesIET Control Theory & Applications, 2023
This paper aims to discuss the approach of constrained modified feedback linearization model predictive control for the spacecraft simulator. By utilizing the high accuracy and constrained properties of model predictive control (MPC), an optimum MPC is ...
Maria Khodaverdian, Maryam Malekzadeh
doaj   +1 more source

Distance Constraint Satisfaction Problems [PDF]

open access: yesInformation and Computation, 2010
We study the complexity of constraint satisfaction problems for templates $Γ$ that are first-order definable in $(\Bbb Z; succ)$, the integers with the successor relation. Assuming a widely believed conjecture from finite domain constraint satisfaction (we require the tractability conjecture by Bulatov, Jeavons and Krokhin in the special case of ...
Manuel Bodirsky   +4 more
openaire   +2 more sources

Narrowing Support Searching Range in Maintaining Arc Consistency for Solving Constraint Satisfaction Problems

open access: yesIEEE Access, 2017
Arc consistency is the most popular filtering technique for solving constraint satisfaction problems. Constraint check plays a central role in establishing arc consistency.
Hongbo Li
doaj   +1 more source

An Adaptive Two-Population Evolutionary Algorithm for Constrained Multi-Objective Optimization Problems

open access: yesIEEE Access, 2023
Striking a balance between objective optimization and constraint satisfaction is essential for solving constrained multi-objective optimization problems (CMOPs).
Kaiwen Zhao, Peng Wang, Xiangrong Tong
doaj   +1 more source

Quantum-accelerated constraint programming [PDF]

open access: yesQuantum, 2021
Constraint programming (CP) is a paradigm used to model and solve constraint satisfaction and combinatorial optimization problems. In CP, problems are modeled with constraints that describe acceptable solutions and solved with backtracking tree search ...
Kyle E. C. Booth   +4 more
doaj   +1 more source

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