Constraint Satisfaction Problems: Publications

Minimal Weighted Clones with Boolean Support

Peter G. Jeavons‚ Andrius Vaicenavičius and Stanislav Živný

In Takahiro Hanyu, editor, Proceedings of the 46th IEEE International Symposium on Multiple−Valued Logic‚ ISMVL 2016‚ Sapporo‚ Japan‚ May 18−20‚ 2016. Pages 90–95. IEEE Computer Society. May, 2016.

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Tractable Classes of Binary CSPs Defined by Excluded Topological Minors

David A. Cohen‚ Martin C. Cooper‚ Peter Jeavons and Stanislav Živný

In Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI'15). Pages 1945–1951. AAAI Press. 2015.

Details about Tractable Classes of Binary CSPs Defined by Excluded Topological Minors | BibTeX data for Tractable Classes of Binary CSPs Defined by Excluded Topological Minors | Download (pdf) of Tractable Classes of Binary CSPs Defined by Excluded Topological Minors

Binarisation via dualisation for valued constraints

David A. Cohen‚ Martin C. Cooper‚ Peter Jeavons and Stanislav Živný

In Proceedings of the Twenty−Ninth AAAI Conference on Artificial Intelligence. Pages 3731–3737. AAAI Press. 2015.

Details about Binarisation via dualisation for valued constraints | BibTeX data for Binarisation via dualisation for valued constraints | Link to Binarisation via dualisation for valued constraints

Representing and Solving Finite−Domain Constraint Problems using Systems of Polynomials (Extended Abstract)

Chris Jefferson‚ Peter Jeavons‚ Martin J. Green and M.R.C. van Dongen

In Principles and Practice of Constraint Programming − Proceedings of CP2015. 2015.

Details about Representing and Solving Finite−Domain Constraint Problems using Systems of Polynomials (Extended Abstract) | BibTeX data for Representing and Solving Finite−Domain Constraint Problems using Systems of Polynomials (Extended Abstract) | Download (pdf) of Representing and Solving Finite−Domain Constraint Problems using Systems of Polynomials (Extended Abstract)

The complexity of valued constraint satisfaction

Peter Jeavons‚ Andrei Krokhin and Stanislav Živný

In Bulletin of the European Association for Theoretical Computer Science (EATCS). Vol. 113. Pages 21−55. 2014.

Errata can be found here.

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An algebraic theory of complexity for discrete optimisation

David A. Cohen‚ Martin C. Cooper‚ Páidí Creed‚ Peter Jeavons and Stanislav Živný

In SIAM Journal on Computing. Vol. 42. No. 5. Pages 1915−1939. 2013.

Details about An algebraic theory of complexity for discrete optimisation | BibTeX data for An algebraic theory of complexity for discrete optimisation | DOI (10.1137/130906398) | Download (pdf) of An algebraic theory of complexity for discrete optimisation

Representing and solving finite−domain constraint problems using systems of polynomials

Christopher Jefferson‚ Peter Jeavons‚ Martin J. Green and Marc R. C. van Dongen

In Annals of Mathematics and Artificial Intelligence. Vol. 67. No. 3−4. Pages 359−382. 2013.

Details about Representing and solving finite−domain constraint problems using systems of polynomials | BibTeX data for Representing and solving finite−domain constraint problems using systems of polynomials | DOI (10.1007/s10472-013-9365-7) | Link to Representing and solving finite−domain constraint problems using systems of polynomials

Lifting Structural Tractability to CSP with Global Constraints

Evgenij Thorstensen

In Christian Schulte, editor, Principles and Practice of Constraint Programming. Vol. 8124 of Lecture Notes in Computer Science. Pages 661−677. Springer. 2013.

Details about Lifting Structural Tractability to CSP with Global Constraints | BibTeX data for Lifting Structural Tractability to CSP with Global Constraints | DOI (10.1007/978-3-642-40627-0_49)

Tractable Combinations of Global Constraints

David A. Cohen‚ Peter G. Jeavons‚ Evgenij Thorstensen and Stanislav Živný

In Christian Schulte, editor, Principles and Practice of Constraint Programming − 19th International Conference‚ CP 2013‚ Uppsala‚ Sweden‚ September 16−20‚ 2013. Proceedings. Vol. 8124 of Lecture Notes in Computer Science. Pages 230−246. Springer. 2013.

Details about Tractable Combinations of Global Constraints | BibTeX data for Tractable Combinations of Global Constraints | DOI (10.1007/978-3-642-40627-0_20) | Download (pdf) of Tractable Combinations of Global Constraints

Tractable valued constraints

Peter G. Jeavons and Stanislav Živný

In Lucas Bordeaux‚ Youssef Hamadi‚ Pushmeet Kohli and Robert Mateescu, editors, Tractability: Practical Approaches to Hard Problems. Cambridge University Press. 2012.

This work is in copyright. The draft is for personal use only. No further distribution without permission.

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Local Consistency and SAT−Solvers

Peter Jeavons and Justyna Petke

In Journal of Artificial Intelligence Research (JAIR). Vol. 43. Pages 329−351. 2012.

Details about Local Consistency and SAT−Solvers | BibTeX data for Local Consistency and SAT−Solvers | DOI (10.1613/jair.3531) | Link to Local Consistency and SAT−Solvers

Tractable triangles and cross−free convexity in discrete optimisation

Martin C. Cooper and Stanislav Živný

In Journal of Artificial Intelligence Research. Vol. 44. Pages 455–490. 2012.

Details about Tractable triangles and cross−free convexity in discrete optimisation | BibTeX data for Tractable triangles and cross−free convexity in discrete optimisation | DOI (10.1613/jair.3598) | Download (pdf) of Tractable triangles and cross−free convexity in discrete optimisation

The complexity of conservative valued CSPs

Vladimir Kolmogorov and Stanislav Živný

In Proceedings of the 23rd ACM−SIAM Symposium on Discrete Algorithms (SODA'12). Pages 750–759. 2012.

Preprint: http://zivny.cz/publications/kz12soda−preprint.pdf

Details about The complexity of conservative valued CSPs | BibTeX data for The complexity of conservative valued CSPs | Link to The complexity of conservative valued CSPs

The power of linear programming for valued CSPs

Johan Thapper and Stanislav Živný

2012.

arXiv:1204.1079

Details about The power of linear programming for valued CSPs | BibTeX data for The power of linear programming for valued CSPs | Link to The power of linear programming for valued CSPs

Hybrid tractability of valued constraint problems

Martin C. Cooper and Stanislav Živný

In Artificial Intelligence. Vol. 175. No. 9−10. Pages 1555–1569. June, 2011.

Details about Hybrid tractability of valued constraint problems | BibTeX data for Hybrid tractability of valued constraint problems | DOI (10.1016/j.artint.2011.02.003) | Download (pdf) of Hybrid tractability of valued constraint problems

On minimal weighted clones

Páidí Creed and Stanislav Živný

In Proceedings of the 17th International Conference on Principles and Practice of Constraint Programming (CP'11). Vol. 6876 of Lecture Notes in Computer Science. Pages 210–224. Springer. 2011.

Details about On minimal weighted clones | BibTeX data for On minimal weighted clones | DOI (10.1007/978-3-642-23786-7_18) | Link to On minimal weighted clones

Hierarchically nested convex VCSP

Martin C. Cooper and Stanislav Živný

In Proceedings of the 17th International Conference on Principles and Practice of Constraint Programming (CP'11). Vol. 6876 of Lecture Notes in Computer Science. Pages 187–194. Springer. 2011.

Details about Hierarchically nested convex VCSP | BibTeX data for Hierarchically nested convex VCSP | DOI (10.1007/978-3-642-23786-7_16) | Download (pdf) of Hierarchically nested convex VCSP

Tractable triangles

Martin C. Cooper and Stanislav Živný

In Proceedings of the 17th International Conference on Principles and Practice of Constraint Programming (CP'11). Vol. 6876 of Lecture Notes in Computer Science. Pages 195–209. Springer. 2011.

Details about Tractable triangles | BibTeX data for Tractable triangles | DOI (10.1007/978-3-642-23786-7_17) | Link to Tractable triangles

On Minimal Constraint Networks

Georg Gottlob

In Proceedings of the 17th International Conference on Principles and Practice of Constraint Programming‚ CP 2011. Perugia‚ Italy. 2011.

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An algebraic theory of complexity for valued constraints: Establishing a Galois connection

David A. Cohen‚ Páidí Creed‚ Peter G. Jeavons and Stanislav Živný

In Proceedings of the 36th International Symposium on Mathematical Foundations of Computer Science (MFCS'11). Vol. 6907 of Lecture Notes in Computer Science. Pages 231–242. Springer. 2011.

Details about An algebraic theory of complexity for valued constraints: Establishing a Galois connection | BibTeX data for An algebraic theory of complexity for valued constraints: Establishing a Galois connection | DOI (10.1007/978-3-642-22993-0_23) | Download (pdf) of An algebraic theory of complexity for valued constraints: Establishing a Galois connection

Tackling the Partner Units Configuration Problem

Markus Aschinger‚ Conrad Drescher‚ Georg Gottlob‚ Peter Jeavons and Evgenij Thorstensen

In Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI 2011). Barcelona‚ Spain. 2011.

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Optimization Methods for the Partner Units Problem

Markus Aschinger‚ Conrad Drescher‚ Gerhard Friedrich‚ Georg Gottlob‚ Peter Jeavons‚ Anna Ryabokon and Evgenij Thorstensen

In Proceedings of the 8th International Conference on Integration of Artificial Intelligence and Operations Research Techniques in Constraint Programming for Combinatorial Optimization Problems (CPAIOR 2011). Berlin‚ Germany. 2011.

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The order encoding: from tractable CSP to tractable SAT

Justyna Petke and Peter Jeavons

No. RR−11−04. DCS‚ University of Oxford. 2011.

Details about The order encoding: from tractable CSP to tractable SAT | BibTeX data for The order encoding: from tractable CSP to tractable SAT | Download  (pdf) of The order encoding: from tractable CSP to tractable SAT

Structural Decomposition Methods‚ and What They are Good For

Markus Aschinger‚ Conrad Drescher‚ Georg Gottlob‚ Peter Jeavons and Evgenij Thorstensen

2011.

Invited Paper at STACS 2011

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An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection

David A. Cohen‚ Paidi Creed‚ Peter G. Jeavons and Stanislav Zivny

No. RR−10−16. OUCL. November, 2010.

Details about An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection | BibTeX data for An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection | Download  (pdf) of An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection

Generalizing constraint satisfaction on trees: Hybrid tractability and variable elimination

Martin C. Cooper‚ Peter G. Jeavons and András Z. Salamon

In Artif. Intell.. Vol. 174. No. 9−10. Pages 570−584. 2010.

Details about Generalizing constraint satisfaction on trees: Hybrid tractability and variable elimination | BibTeX data for Generalizing constraint satisfaction on trees: Hybrid tractability and variable elimination | DOI (10.1016/j.artint.2010.03.002)

Classes of submodular constraints expressible by graph cuts

Stanislav Živný and Peter G. Jeavons

In Constraints. Vol. 15. No. 3. Pages 430−452. 2010.

Details about Classes of submodular constraints expressible by graph cuts | BibTeX data for Classes of submodular constraints expressible by graph cuts | DOI (10.1007/s10601-009-9078-z) | Download (pdf) of Classes of submodular constraints expressible by graph cuts

A new hybrid tractable class of soft constraint problems

Martin C. Cooper and Stanislav Živný

In Proceedings of the 16th International Conference on Principles and Practice of Constraint Programming (CP'10). Vol. 6308 of Lecture Notes in Computer Science. 2010.

Details about A new hybrid tractable class of soft constraint problems | BibTeX data for A new hybrid tractable class of soft constraint problems | DOI (10.1007/978-3-642-15396-9_15) | Download (pdf) of A new hybrid tractable class of soft constraint problems

Local consistency and SAT−solvers

Peter Jeavons and Justyna Petke

In Proceedings of the 16th International Conference on Principles and Practice of Constraint Programming − CP 2010. Vol. 6308 of Lecture Notes in Computer Science. Pages 398−413. Springer. 2010.

Details about Local consistency and SAT−solvers | BibTeX data for Local consistency and SAT−solvers | Download  (pdf) of Local consistency and SAT−solvers | DOI (10.1007/978-3-642-15396-9_33)

Tackling the Partner Units Configuration Problem

Markus Aschinger‚ Conrad Drescher‚ Gerhard Friedrich‚ Georg Gottlob‚ Peter Jeavons‚ Anna Ryabokon and Evgenij Thorstensen

No. CS−RR−10−28. Computing Laboratory‚ University of Oxford. 2010.

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Generalising tractable VCSPs defined by symmetric tournament pair multimorphisms

Vladimir Kolmogorov and Stanislav Živný

2010.

arXiv:1008.3104

Details about Generalising tractable VCSPs defined by symmetric tournament pair multimorphisms | BibTeX data for Generalising tractable VCSPs defined by symmetric tournament pair multimorphisms | Link to Generalising tractable VCSPs defined by symmetric tournament pair multimorphisms

Hybrid tractability of soft constraint problems

Martin C. Cooper and Stanislav Živný

2010.

arXiv:1008.4071

Details about Hybrid tractability of soft constraint problems | BibTeX data for Hybrid tractability of soft constraint problems | Link to Hybrid tractability of soft constraint problems

The complexity of conservative finite−valued CSPs

Vladimir Kolmogorov and Stanislav Živný

2010.

arXiv:1008.1555

Details about The complexity of conservative finite−valued CSPs | BibTeX data for The complexity of conservative finite−valued CSPs | Link to The complexity of conservative finite−valued CSPs

Structural properties of oracle classes

Stanislav Živný

In Information Processing Letters. Vol. 109. No. 19. Pages 1131–1135. 2009.

Details about Structural properties of oracle classes | BibTeX data for Structural properties of oracle classes | DOI (10.1016/j.ipl.2009.07.009) | Download (pdf) of Structural properties of oracle classes

The complexity of constraint satisfaction games and QCSP

Ferdinand Börner‚ Andrei A. Bulatov‚ Hubie Chen‚ Peter Jeavons and Andrei A. Krokhin

In Inf. Comput.. Vol. 207. No. 9. Pages 923−944. 2009.

Details about The complexity of constraint satisfaction games and QCSP | BibTeX data for The complexity of constraint satisfaction games and QCSP | DOI (10.1016/j.ic.2009.05.003)

The expressive power of binary submodular functions

Stanislav Živný‚ David A. Cohen and Peter G. Jeavons

In Discrete Applied Mathematics. Vol. 157. No. 15. Pages 3347–3358. 2009.

Details about The expressive power of binary submodular functions | BibTeX data for The expressive power of binary submodular functions | DOI (10.1016/j.dam.2009.07.001) | Download (pdf) of The expressive power of binary submodular functions

A note on some collapse results of valued constraints

Bruno Zanuttini and Stanislav Živný

In Information Processing Letters. Vol. 109. No. 11. Pages 534–538. 2009.

Details about A note on some collapse results of valued constraints | BibTeX data for A note on some collapse results of valued constraints | DOI (10.1016/j.ipl.2009.01.018) | Download (pdf) of A note on some collapse results of valued constraints

Presenting Constraints

Peter Jeavons

In Martin Giese and Arild Waaler, editors, TABLEAUX. Vol. 5607 of Lecture Notes in Computer Science. Pages 1−15. Springer. 2009.

Details about Presenting Constraints | BibTeX data for Presenting Constraints | DOI (10.1007/978-3-642-02716-1_1)

The complexity of valued constraint models

Stanislav Živný and Peter G. Jeavons

In Proceedings of the 15th International Conference on Principles and Practice of Constraint Programming (CP'09). No. 5732. 2009.

Details about The complexity of valued constraint models | BibTeX data for The complexity of valued constraint models | DOI (10.1007/978-3-642-04244-7_64) | Download (pdf) of The complexity of valued constraint models

Same−relation constraints

Christopher Jefferson‚ Serdar Kadioglu‚ Karen E. Petrie‚ Meinolf Sellmann and Stanislav Živný

In Proceedings of the 15th International Conference on Principles and Practice of Constraint Programming (CP'09). No. 5732. 2009.

Details about Same−relation constraints | BibTeX data for Same−relation constraints | DOI (10.1007/978-3-642-04244-7_38) | Download (pdf) of Same−relation constraints

Tractable Benchmarks For Constraint Programming

Justyna Petke and Peter Jeavons

No. RR−09−07. OUCL. 2009.

Details about Tractable Benchmarks For Constraint Programming | BibTeX data for Tractable Benchmarks For Constraint Programming | Download  (pdf) of Tractable Benchmarks For Constraint Programming

Which submodular functions are expressible using binary submodular functions?

Stanislav Živný and Peter G. Jeavons

No. RR−08−08. OUCL. Oxford‚ UK. June, 2008.

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Domain permutation reduction for constraint satisfaction problems

Martin J. Green and David A. Cohen

In Artificial Intelligence. Vol. 172. No. 8−9. Pages 1094−1118. 2008.

Details about Domain permutation reduction for constraint satisfaction problems | BibTeX data for Domain permutation reduction for constraint satisfaction problems | DOI (10.1016/j.artint.2007.12.001)

The expressive power of valued constraints: Hierarchies and collapses

David A. Cohen‚ Peter G. Jeavons and Stanislav Živný

In Theoretical Computer Science. Vol. 409. No. 1. Pages 137–153. 2008.

Details about The expressive power of valued constraints: Hierarchies and collapses | BibTeX data for The expressive power of valued constraints: Hierarchies and collapses | DOI (10.1016/j.tcs.2008.08.036) | Download (pdf) of The expressive power of valued constraints: Hierarchies and collapses

Generalising submodularity and Horn clauses: tractable optimization problems defined by tournament pair multimorphisms

David Cohen‚ Martin Cooper and Peter Jeavons

In Theoretical Computer Science. Vol. 401. No. 1−3. Pages 36−51. 2008.

Details about Generalising submodularity and Horn clauses: tractable optimization problems defined by tournament pair multimorphisms | BibTeX data for Generalising submodularity and Horn clauses: tractable optimization problems defined by tournament pair multimorphisms | DOI (doi:10.1016/j.tcs.2008.03.015)

A unified theory of structural tractability for constraint satisfaction problems

David Cohen‚ Peter Jeavons and Marc Gyssens

In Journal of Computer and System Sciences. Vol. 74. Pages 721−743. 2008.

Earlier‚ uncorrected‚ version appears in Proceedings of IJCAI'05‚ pp. 72–77: http://www.ijcai.org/papers/0521.pdf

Details about A unified theory of structural tractability for constraint satisfaction problems | BibTeX data for A unified theory of structural tractability for constraint satisfaction problems | DOI (10.1016/j.jcss.2007.08.001) | Download (pdf) of A unified theory of structural tractability for constraint satisfaction problems

Perfect Constraints Are Tractable

András Z. Salamon and Peter G. Jeavons

In Proceedings of the 14th International Conference on Principles and Practice of Constraint Programming‚ CP 2008‚ Sydney‚ Australia‚ 14–18 September. Vol. 5202 of Lecture Notes in Computer Science. Pages 524−528. Springer. 2008.

Details about Perfect Constraints Are Tractable | BibTeX data for Perfect Constraints Are Tractable | DOI (10.1007/978-3-540-85958-1_35) | Download (pdf) of Perfect Constraints Are Tractable

Hybrid tractable CSPs which generalize tree structure

Martin C. Cooper‚ Peter G. Jeavons and András Z. Salamon

In Nikos Avouris Malik Ghallab Constantine D. Spyropoulos Nikos Fakotakis, editor, ECAI 2008‚ Proceedings of the 18th European Conference on Artificial Intelligence‚ July 21–25‚ Patras‚ Greece. Vol. 178 of Frontiers in Artificial Intelligence and Applications. Pages 530–534. IOS Press. 2008.

Best paper award.

Details about Hybrid tractable CSPs which generalize tree structure | BibTeX data for Hybrid tractable CSPs which generalize tree structure | Download (pdf) of Hybrid tractable CSPs which generalize tree structure

Classes of submodular constraints expressible by graph cuts

Stanislav Živný and Peter G. Jeavons

In Proceedings of the 14th International Conference on Principles and Practice of Constraint Programming (CP'08). Vol. 5202 of Lecture Notes in Computer Science. Pages 112−127. 2008.

Details about Classes of submodular constraints expressible by graph cuts | BibTeX data for Classes of submodular constraints expressible by graph cuts | DOI (10.1007/978-3-540-85958-1_8) | Download (pdf) of Classes of submodular constraints expressible by graph cuts

The Expressive Power of Binary Submodular Functions

Stanislav Živný‚ David A. Cohen and Peter G. Jeavons

2008.

arXiv:0811.1885 [cs.DM]

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The expressive power of valued constraints: hierarchies and collapses

David A. Cohen‚ Peter G. Jeavons and Stanislav Živný

No. RR−07−03. Computing Laboratory‚ University of Oxford. Oxford‚ UK. April, 2007.

Details about The expressive power of valued constraints: hierarchies and collapses | BibTeX data for The expressive power of valued constraints: hierarchies and collapses | Download  (pdf) of The expressive power of valued constraints: hierarchies and collapses | Link to The expressive power of valued constraints: hierarchies and collapses

Representing and Solving Finite−Domain Constraint Problems Using Systems of Polynomials

Chris Jefferson‚ Peter Jeavons‚ Martin J. Green and M.R.C. van Dongen

No. RR−07−07. Oxford University Computing Laboratory. October, 2007.

Details about Representing and Solving Finite−Domain Constraint Problems Using Systems of Polynomials | BibTeX data for Representing and Solving Finite−Domain Constraint Problems Using Systems of Polynomials | Download  (pdf) of Representing and Solving Finite−Domain Constraint Problems Using Systems of Polynomials

Conditional Constraint Satisfaction: Logical Foundations and Complexity

Georg Gottlob‚ Gianluigi Greco and Toni Mancini

In Manuela M. Veloso, editor, IJCAI 2007‚ Proceedings of the 20th International Joint Conference on Artificial Intelligence‚ Hyderabad‚ India‚ January 6−12‚ 2007. Pages 88−93. 2007.

Details about Conditional Constraint Satisfaction: Logical Foundations and Complexity | BibTeX data for Conditional Constraint Satisfaction: Logical Foundations and Complexity | Download (pdf) of Conditional Constraint Satisfaction: Logical Foundations and Complexity

The expressive power of valued constraints: Hierarchies and collapses

David A. Cohen‚ Peter G. Jeavons and Stanislav Živný

In Proceedings of the 13th International Conference on Principles and Practice of Constraint Programming (CP'07). Vol. 4741 of Lecture Notes in Computer Science. Pages 798−805. 2007.

Details about The expressive power of valued constraints: Hierarchies and collapses | BibTeX data for The expressive power of valued constraints: Hierarchies and collapses | DOI (10.1007/978-3-540-74970-7_57) | Download (pdf) of The expressive power of valued constraints: Hierarchies and collapses

Generalising Submodularity and Horn Clauses: Tractable optimization problems defined by tournament pair multimorphisms

Peter Jeavons‚ Martin C Cooper and David A Cohen

No. RR−06−06. Oxford University Computing Laboratory. December, 2006.

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The complexity of constraint languages

David Cohen and Peter Jeavons

In Handbook of Constraint Programming. Chapter 8. Elsevier. 2006.

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Symmetry definitions for constraint satisfaction problems

David Cohen‚ Peter Jeavons‚ Christopher Jefferson‚ Karen Petrie and Barbara Smith

In Constraints. Vol. 11. Pages 115−137. 2006.

Received a Best Paper award.

Details about Symmetry definitions for constraint satisfaction problems | BibTeX data for Symmetry definitions for constraint satisfaction problems | DOI (10.1007/s10601-006-8059-8) | Download (pdf) of Symmetry definitions for constraint satisfaction problems

The complexity of soft constraint satisfaction

David Cohen‚ Martin Cooper‚ Peter Jeavons and Andrei Krokhin

In Artificial Intelligence. Vol. 170. Pages 983−1016. 2006.

Details about The complexity of soft constraint satisfaction | BibTeX data for The complexity of soft constraint satisfaction | DOI (10.1016/j.artint.2006.04.002) | Download (pdf) of The complexity of soft constraint satisfaction

Typed Guarded Decompositions for Constraint Satisfaction

David A. Cohen and Martin J. Green

In Proceedings of the 12th International Conference on Principles and Practice of Constraint Programming (CP'06). Vol. 4204 of Lecture Notes in Computer Science. Pages 122−136. 2006.

Details about Typed Guarded Decompositions for Constraint Satisfaction | BibTeX data for Typed Guarded Decompositions for Constraint Satisfaction | DOI (10.1007/11889205_11)

The Effect of Constraint Representation on Structural Tractability

Chris Houghton‚ David A. Cohen and Martin J. Green

In Proceedings of the 12th International Conference on Principles and Practice of Constraint Programming (CP'06). Vol. 4204 of Lecture Notes in Computer Science. Pages 726−730. 2006.

Details about The Effect of Constraint Representation on Structural Tractability | BibTeX data for The Effect of Constraint Representation on Structural Tractability | DOI (10.1007/11889205_59)

An algebraic characterisation of complexity for valued constraints

David Cohen‚ Martin Cooper and Peter Jeavons

In Proceedings of the 12th International Conference on Principles and Practice of Contraint Programming (CP'06). Vol. 4204 of Lecture Notes in Computer Science. Pages 107−121. 2006.

Details about An algebraic characterisation of complexity for valued constraints | BibTeX data for An algebraic characterisation of complexity for valued constraints | DOI (10.1007/11889205_10) | Download (pdf) of An algebraic characterisation of complexity for valued constraints

Supermodular functions and the complexity of MAX CSP

David Cohen‚ Martin Cooper‚ Peter Jeavons and Andrei Krokhin

In Discrete Applied Mathematics. Vol. 149. Pages 53−72. 2005.

Earlier version appeared as Identifying efficiently solvable cases of Max CSP http://web.comlab.ox.ac.uk/oucl/research/areas/constraints/publications/STACS04maxCSP.ps in: Proceedings of STACS'04‚ Lecture Notes in Computer Science 2996 (2004)

Details about Supermodular functions and the complexity of MAX CSP | BibTeX data for Supermodular functions and the complexity of MAX CSP | DOI (10.1016/j.dam.2005.03.003) | Download (pdf) of Supermodular functions and the complexity of MAX CSP

Classifying the complexity of constraints using finite algebras

Andrei Bulatov‚ Peter Jeavons and Andrei Krokhin

In SIAM Journal on Computing. No. 34. Pages 720−742. 2005.

Details about Classifying the complexity of constraints using finite algebras | BibTeX data for Classifying the complexity of constraints using finite algebras | DOI (10.1137/S0097539700376676) | Download (pdf) of Classifying the complexity of constraints using finite algebras

Solution Equivalent Subquadrangle Reformulations of Constraint Satisfaction Problems

Chris Houghton and David A. Cohen

In Proceedings of the 11th International Conference on Principles and Practice of Constraint Programming (CP'05). Vol. 3709 of Lecture Notes in Computer Science. Pages 851. 2005.

Details about Solution Equivalent Subquadrangle Reformulations of Constraint Satisfaction Problems | BibTeX data for Solution Equivalent Subquadrangle Reformulations of Constraint Satisfaction Problems | DOI (10.1007/11564751_89)

The Complexity of Constraint Satisfaction: An Algebraic Approach

Andrei Krokhin‚ Andrei Bulatov and Peter Jeavons

No. RR−04−08. Oxford University Computing Laboratory. May, 2004.

Details about The Complexity of Constraint Satisfaction: An Algebraic Approach | BibTeX data for The Complexity of Constraint Satisfaction: An Algebraic Approach | Download  (pdf) of The Complexity of Constraint Satisfaction: An Algebraic Approach

Supermodular Functions and the Complexity of MAX CSP

David Cohen‚ Martin Cooper‚ Peter Jeavons and Andrei Krokhin

No. RR−04−01. Oxford University Computing Laboratory. January, 2004.

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Tractable Decision for a Constraint Language Implies Tractable Search

David A. Cohen

In Constraints. Vol. 9. No. 3. Pages 219–229. 2004.

Details about Tractable Decision for a Constraint Language Implies Tractable Search | BibTeX data for Tractable Decision for a Constraint Language Implies Tractable Search | Link to Tractable Decision for a Constraint Language Implies Tractable Search

Implementing a test for tractability

Richard Gault and Peter Jeavons

In Constraints. Vol. 9. Pages 139–160. 2004.

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A maximal tractable class of soft constraints

David Cohen‚ Martin Cooper‚ Peter Jeavons and Andrei Krokhin

In Journal of Artificial Intelligence Research. No. 22. Pages 01/01/22. 2004.

Earlier version appeared in: Proceedings of IJCAI'03‚ pp. 209−214: http://www.comlab.ox.ac.uk/activities/constraints/publications/IJCAI03submodular.pdf

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Constraint satisfaction problems on intervals and lengths

Andrei Krokhin‚ Peter Jeavons and Peter Jonsson

In SIAM Journal on Discrete Mathematics. No. 17. Pages 453–477. 2004.

Earlier version appears in Proceedings of STACS'02‚ Lecture Notes in Computer Science‚ 2285‚ (2002)‚ pp. 443–454: http://link.springer.de/link/service/series/0558/bibs/2285/22850443.htm Preprint version available from Electronic Colloquium on Computational Complexity‚ as Report TR01−077: http://eccc.hpi-web.de/report/2001/077/

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A Graph of a Relational Structure and Constraint Satisfaction Problems

Andrei A. Bulatov

In Proceedings of the 19th IEEE Symposium on Logic in Computer Science (LICS'04). Pages 448−45. 2004.

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The complexity of partition functions

Andrei A. Bulatov and Martin Grohe

In Proceedings of the 31st International Colloquium on Automata‚ Languages and Programming (ICALP'04). Vol. 3142 of Lecture Notes in Computer Science. Pages 294−306. 2004.

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A complete characterization of complexity for Boolean constraint optimization problems

David Cohen‚ Martin Cooper and Peter Jeavons

In Proceedings of CP'04. No. 3258. Pages 212–226. 2004.

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Learnability of quantified formulas

Victor Dalmau and Peter Jeavons

In Theoretical Computer Science. No. 306. Pages 485–511. 2003.

Earlier version appeared in Proceedings of EuroCOLT 99‚ Nordkirchen‚ Germany‚ (1999)‚ pp. 63−78 : http://link.springer.de/link/service/series/0558/bibs/1572/15720063.htm

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Reasoning about temporal relations : the tractable subalgebras of Allen's interval algebra

Andrei Krokhin‚ Peter Jeavons and Peter Jonsson

In Journal of the ACM. No. 50. Pages 591–640. 2003.

Earlier version available as an OUCL Research Report : http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-01-12.html

Details about Reasoning about temporal relations : the tractable subalgebras of Allen's interval algebra | BibTeX data for Reasoning about temporal relations : the tractable subalgebras of Allen's interval algebra | DOI (10.1145/876638.876639)

Tractability by Approximating Constraint Languages

Martin J. Green and David A. Cohen

In Proceedings of the 9th International Conference on Principles and Practice of Constraint Programming (CP'03). Vol. 2833 of Lecture Notes in Computer Science. 2003.

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A New Classs of Binary CSPs for which Arc−Constistency Is a Decision Procedure

David A. Cohen

In Proceedings of the 9th International Conference on Principles and Practice of Constraint Programming (CP'03). Vol. 2833 of Lecture Notes in Computer Science. Pages 807−811. 2003.

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Towards a Dichotomy Theorem for the Counting Constraint Satisfaction Problem

Andrei A. Bulatov and Victor Dalmau

In Proceedings of the 44th Symposium on Foundations of Computer Science (FOCS'03). 2003.

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New Tractable Classes From Old

David Cohen‚ Peter Jeavons and Richard Gault

No. 8. Pages 263–282. 2003.

Earlier version appears in Proceedings of CP2000‚ Lecture Notes In Computer Science‚ 1894‚ 2000‚ pp. 160–171 : http://link.springer.de/link/service/series/0558/bibs/1894/18940160.htm

Details about New Tractable Classes From Old | BibTeX data for New Tractable Classes From Old | DOI (10.1023/A:1025623111033)

Structural Theory of Automata‚ Semigroups‚ and Universal Algebra

Andrei Krokhin‚ Andrei Bulatov and Peter Jeavons

In Proceedings of SMS−NATO ASI. Pages 181−213. University of Montreal. 2003.

Earlier version available as an OUCL Research Report: http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-04-08.html

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Tractable conservative Constraint Satisfaction Problems

Andrei A. Bulatov

In Proceedings of the 18th IEEE Symposium on Logic in Computer Science (LICS'03). 2003.

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Amalgams of Constraint Satisfaction Problem

Andrei A. Bulatov and Evgeny S. Skvortsov

In Proceedings of the 18th International Joint Conference on Artificial Intelligence (IJCAI'03). Pages 197−202. 2003.

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Soft constraints: complexity and multimorphsims

David Cohen‚ Martin Cooper‚ Peter Jeavons and Andrei Krokhin

In Proceedings of CP'03. No. 2833. Pages 244–258. 2003.

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Quantified constraints: algorithms and complexity

Ferdinand Börner‚ Andrei Bulatov‚ Peter Jeavons and Andrei Krokhin

In Proceedings of CSL'03. No. 2803. Pages 58–70. 2003.

Longer version available as an OUCL Research Report: http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-02-11.html

Details about Quantified constraints: algorithms and complexity | BibTeX data for Quantified constraints: algorithms and complexity | DOI (10.1007/b13224) | Download (pdf) of Quantified constraints: algorithms and complexity

Functions of multiple−valued logic and the complexity of constraint satisfaction: A short survey

Andrei Krokhin‚ Andrei Bulatov and Peter Jeavons

In Proceedings of 33rd IEEE International Symposium on Multiple−Valued Logic (ISMVL'03). Pages 343–351. 2003.

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An algebraic approach to multi−sorted constraints

Andrei Bulatov and Peter Jeavons

In Proceedings of CP'03. No. 2833. Pages 183–198. 2003.

Earlier version available as an OUCL Research Report : http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-01-18.html

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Finite semigroups imposing tractable constraints

Andrei Bulatov‚ Peter Jeavons and Mikhail Volkov

In Proceedings of the School on Algorithmic Aspects of the Theory of Semigroups and its Applications‚ Coimbra‚ Portugal‚ 2001. Pages 313–329. World Scientific‚ Singapore. 2002.

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A Dichotomy Theorem for Constraints on a Three−Element Set

Andrei A. Bulatov

In Proceedings of the 43rd Symposium on Foundations of Computer Science (FOCS'02). 2002.

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The complexity of maximal constraint languages

Andrei Bulatov‚ Andrei Krokhin and Peter Jeavons

In Proceedings of STOC'01‚ Crete‚ Greece. Pages 667–674. 2001.

Earlier version available as an OUCL Research Report : http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-01-03.html

Details about The complexity of maximal constraint languages | BibTeX data for The complexity of maximal constraint languages | DOI (10.1145/380752.380868)

A complete classification of complexity in Allen's algebra in the presence of a non−trivial basic relation

Andrei Krokhin‚ Peter Jeavons and Peter Jonsson

In Proceedings of IJCAI'01‚ Seattle‚ USA. Pages 83–88. 2001.

Longer version available as an OUCL Research Report : http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-01-02.html

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Algebraic structures in combinatorial problems

Andrei Bulatov and Peter Jeavons

No. MATH−AL−4−2001. Technische Universitat Dresden. 2001.

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Building tractable disjunctive constraints

David Cohen‚ Peter Jeavons‚ Peter Jonsson and Manolis Koubarakis

In Journal of the ACM. No. 47. Pages 826–853. 2000.

Details about Building tractable disjunctive constraints | BibTeX data for Building tractable disjunctive constraints | DOI (10.1145/355483.355485) | Link to Building tractable disjunctive constraints

Constraint satisfaction problems and finite algebras

Andrei Bulatov‚ Andrei Krokhin and Peter Jeavons

In Proceedings of ICALP'00. No. 1853. Pages 272–282. 2000.

Longer version available as an OUCL Technical Report : http://web.comlab.ox.ac.uk/oucl/publications/tr/tr-4-99.html

Details about Constraint satisfaction problems and finite algebras | BibTeX data for Constraint satisfaction problems and finite algebras | DOI (10.1007/3-540-45022-X_24) | Link to Constraint satisfaction problems and finite algebras

Tractable constraints closed under a binary operation

Andrei Bulatov and Peter Jeavons

No. PRG−TR−12−00. Oxford University Computing Laboratory. 2000.

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How to determine the expressive power of constraints

P.G.Jeavons‚ D.A.Cohen and M.Gyssens

In Constraints. No. 4. Pages 113–131. 1999.

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Constraint Tractability Theory And Its Application to the Product Development Process for a Constraint−Based Scheduler

Lisa Purvis and Peter Jeavons

In Proceedings of the 1st International Conference on The Practical Application of Constraint Technologies and Logic Programming. Pages 63–79. 1999.

This paper was awarded First Prize in the Constraints Technologies area of PACLP'99

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Towards High Order Constraint Representations for the Frequency Assignment Problem

N.W.Dunkin‚ J.E.Bater‚ P.G.Jeavons and D.A.Cohen

No. CSD−TR−98−05. Royal Holloway‚ University of London. June, 1998.

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Are there optimal reuse distance constraints for FAPs with random Tx placements?

J.E.Bater‚ P.G.Jeavons and D.A.Cohen

No. CSD−TR−98−01. Royal Holloway‚ University of London. February, 1998.

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On The Algebraic Structure Of Combinatorial Problems

P.G.Jeavons

In Theoretical Computer Science. No. 200. Pages 185–204. 1998.

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Constraints‚ Consistency and Closure

P.G.Jeavons‚ D.A.Cohen and M.Cooper

In Artificial Intelligence. No. 101 (1−2). Pages 251–265. 1998.

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Constraints and Universal Algebra

P.G.Jeavons‚ D.A.Cohen and J.K.Pearson

In Annals of Mathematics and Artificial Intelligence. No. 24. Pages 51–67. 1998.

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Why higher order constraints are necessary to model frequency assignment problems

P.G.Jeavons‚ N.W.Dunkin and J.E.Bater

In ECAI'98 Workshop on Non−binary constraints. 1998.

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Constructing constraints

P.G.Jeavons

In Proceedings of the 4th International Conference on Principles and Practice of Constraint Programming (CP98). Vol. 1520 of Lecture Notes in Computer Science. Pages 2−16. 1998.

Details about Constructing constraints | BibTeX data for Constructing constraints | DOI (10.1007/3-540-49481-2_2) | Link to Constructing constraints

A Survey of Tractable Constraint Satisfaction Problems

J.K.Pearson and P.G.Jeavons

No. CSD−TR−97−15. Royal Holloway‚ University of London. July, 1997.

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Closure Properties of Constraints

P.G.Jeavons‚ D.A.Cohen and M.Gyssens

In Journal of the ACM. No. 44. Pages 527–548. 1997.

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Tractable Disjunctive Constraints

D.A.Cohen‚ P.G.Jeavons and M.Kourabarakis

In Proceedings 3rd International Conference on Principles and Practice of Constraint Programming (CP97). Vol. 1330 of Lecture Notes in Computer Science. No. 1330. Pages 478–490. 1997.

Details about Tractable Disjunctive Constraints | BibTeX data for Tractable Disjunctive Constraints | DOI (10.1007/BFb0017461) | Link to Tractable Disjunctive Constraints

Expressiveness of Binary Constraints for the Frequency Assignment Problem

N.W.Dunkin and P.G.Jeavons

In DIAL−M Workshop‚ 3rd Annual ACM/IEEE International Conference on Mobile Computing and Networking (MOBICOM'97). 1997.

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Derivation of Constraints and Database Relations

D.A.Cohen‚ M.Gyssens and P.G.Jeavons

In Proceedings of the 2nd International Conference on Principles and Practice of Constraint Programming (CP96). Vol. 1118 of Lecture Notes in Computer Science. Pages 134–148. 1996.

Details about Derivation of Constraints and Database Relations | BibTeX data for Derivation of Constraints and Database Relations | DOI (10.1007/3-540-61551-2_71) | Link to Derivation of Constraints and Database Relations

A Test for Tractability

P.G.Jeavons‚ D.A.Cohen and M.Gyssens

In Proceedings of the 2nd International Conference on Principles and Practice of Constraint Programming (CP96). Vol. 1118 of Lecture Notes in Computer Science. Pages 267−281. 1996.

Details about A Test for Tractability | BibTeX data for A Test for Tractability | DOI (10.1007/3-540-61551-2_80) | Link to A Test for Tractability

Tractable Constraints on Ordered Domains

P.G.Jeavons and M.C.Cooper

In Artificial Intelligence. No. 79(2). Pages 327–339. 1995.

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A Unifying Framework for Tractable Constraints

P.G.Jeavons‚ D.A.Cohen and M.Gyssens

In Proceedings of the 1st International Conference on Principles and Practice of Constraint Programming (CP95). Vol. 976 of Lecture Notes in Computer Science. Pages 276−291. 1995.

Details about A Unifying Framework for Tractable Constraints | BibTeX data for A Unifying Framework for Tractable Constraints | DOI (10.1007/3-540-60299-2_17) | Link to A Unifying Framework for Tractable Constraints

A Substitution Operation for Constraints

P.G.Jeavons‚ D.A.Cohen and M.C.Cooper

In Proceedings of the 1st International Conference on Principles and Practice of Constraint Programming (CP95). Vol. 874 of Lecture Notes in Computer Science. Pages 161−177. 1995.

Details about A Substitution Operation for Constraints | BibTeX data for A Substitution Operation for Constraints | DOI (10.1007/3-540-58601-6_85) | Link to A Substitution Operation for Constraints

Recovering a Relation from a Decomposition using Constraint Satisfaction Techniques

P.G.Jeavons

In Information Sciences. No. 78. Pages 229–256. 1994.

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A Structural Decomposition for Hypergraphs

P.G.Jeavons‚ D.A.Cohen and M.Gyssens

In Contemporary Mathematics. No. 178. Pages 161–177. 1994.

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Decomposing Constraint Satisfaction Problems Using Database Techniques

M.Gyssens‚ P.G.Jeavons and D.A.Cohen

In Artificial Intelligence. No. 66(1). Pages 57−89. 1994.

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Characterising Tractable Constraints

M.C.Cooper‚ D.A.Cohen and P.G.Jeavons

In Artificial Intelligence. No. 65(2). Pages 347–361. 1994.

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