Professor David Cohen

  1. 2020
  2. Published

    Representing Fitness Landscapes by Valued Constraints to Understand the Complexity of Local Search

    Kaznatcheev, A., Cohen, D. & Jeavons, P., 29 Nov 2020, In: Journal of Artificial Intelligence Research. 69, p. 1077-1102 26 p., 12156.

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Steepest ascent can be exponential in bounded treewidth problems

    Cohen, D. A., Cooper, M. C., Kaznatcheev, A. & Wallace, M., May 2020, In: Operations Research Letters. 48, 3, p. 217-224 8 p.

    Research output: Contribution to journalArticlepeer-review

  4. 2019
  5. E-pub ahead of print

    Representing Fitness Landscapes by Valued Constraints to Understand the Complexity of Local Search

    Kaznatcheev, A., Cohen, D. & Jeavons, P., 23 Sep 2019, (E-pub ahead of print) p. 300-316. 17 p.

    Research output: Contribution to conferencePaperpeer-review

  6. Published

    On Singleton Arc Consistency for CSPs Defined by Monotone Patterns

    Carbonnel, C., Cohen, D., Cooper, M. & Živný, S., Apr 2019, In: Algorithmica. 81, 4, p. 1699–1727 29 p.

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Binary constraint satisfaction problems defined by excluded topological minors

    Cohen, D., Cooper, M. C., Jeavons, P. G. & Zivny, S., Feb 2019, In: Infor. and Computation. 264, p. 12-31 20 p.

    Research output: Contribution to journalArticlepeer-review

  8. 2018
  9. E-pub ahead of print

    Domain Reduction for Valued Constraints by Generalising Methods from CSP

    Cohen, D., Cooper, M. & Jguirim1, W., 23 Aug 2018, (E-pub ahead of print) p. 64-80. 17 p.

    Research output: Contribution to conferencePaperpeer-review

  10. Published

    On Singleton Arc Consistency for CSPs Defined by Monotone Patterns

    Carbonnel, C., Cohen, D. A., Cooper, M. C. & Živný, S., 20 Feb 2018, 35th Symposium on Theoretical Aspects of Computer Science, STACS 2018. Niedermeier, R. & Vallée, B. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, Vol. 96. p. 19:1-19:15 15 p. 19

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  11. 2017
  12. E-pub ahead of print

    Binarisation for Valued Constraint Satisfaction Problems

    Cohen, D., Cooper, M., Jeavons, P., Krokhin, A., Powell, R. & Zivny, S., 3 Oct 2017, (E-pub ahead of print) In: SIAM Journal on Discrete Mathematics. 31, 4, p. 2279-2300 22 p.

    Research output: Contribution to journalArticlepeer-review

  13. Published

    The power of propagation: when GAC is enough

    Cohen, D. & Jeavons, P., Jan 2017, In: Constraints. 22, p. 3-23 21 p.

    Research output: Contribution to journalArticlepeer-review

  14. Published

    Parameterized Complexity of the Workflow Satisfiability Problem

    Cohen, D., Crampton, J., Gutin, Z. & Wahlstrom, M., 2017, Combinatorial Optimization and Graph Algorithms. Fukunaga, T. & Kawarabayashi, K. (eds.). Springer-Verlag, p. 101-120 20 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

  15. 2016
  16. Published

    Algorithms for the workflow satisfiability problem engineered for counting constraints

    Cohen, D., Crampton, J., Gagarin, A., Gutin, G. & Jones, M., Jul 2016, In: Journal of Combinatorial Optimization. 32, 1, p. 3–24 22 p.

    Research output: Contribution to journalArticlepeer-review

  17. Forthcoming

    The Power of Propagation: When GAC is Enough

    Cohen, D. & Jeavons, P., 6 Jun 2016, (Accepted/In press). 15 p.

    Research output: Contribution to conferencePaperpeer-review

  18. Published

    A Theoretical Framework for Constraint Propagator Triggering

    Cohen, D., Petrie, K. & Jefferson, C., 12 May 2016. 9 p.

    Research output: Contribution to conferencePaperpeer-review

  19. 2015
  20. Published

    Variable and value elimination in binary constraint satisfaction via forbidden patterns

    Cohen, D., Cooper, M., Escamocher, G. & Zivny, S., Nov 2015, In: Journal of Computer and System Sciences. 81, 7, p. 1127–1143 17 p.

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Tractable classes of binary CSPs defined by excluded topological minors

    Cohen, D., Cooper, M., Jeavons, P. & Zivny, S., 25 Jul 2015, p. 1945-1951. 7 p.

    Research output: Contribution to conferencePaperpeer-review

  22. Forthcoming

    Provably Pointless Propagator Calls

    Cohen, D., Jefferson, C. & Petrie, K., 5 Jul 2015, (Accepted/In press).

    Research output: Contribution to conferencePaperpeer-review

  23. Published

    Binarisation via Dualisation for Valued Constraints

    Cohen, D., Cooper, M., Jeavons, P. & Živný, S., Jan 2015, p. 3731-3737. 7 p.

    Research output: Contribution to conferencePaperpeer-review

  24. 2014
  25. Published

    Iterative Plan Construction for the Workflow Satisfiability Problem

    Cohen, D., Crampton, J., Gagarin, A., Gutin, G. & Jones, M., 21 Nov 2014, In: Journal of Artificial Intelligence Research. 51, p. 555-577 23 p.

    Research output: Contribution to journalArticlepeer-review

  26. Published

    Engineering Algorithms for Workflow Satisfiability Problem with User-Independent Constraints

    Cohen, D., Crampton, J., Gagarin, A., Gutin, G. & Jones, M., 2014, FAW 2014. (Lecture Notes in Computer Science; vol. 8497).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  27. 2013
  28. Published

    An Algebraic Theory of Complexity for Discrete Optimisation

    Cohen, D. A., Cooper, M. C., Creed, P., Jeavons, P. G. & Živný, S., 2013, In: SIAM Journal on Computing. 42, 5, p. 1915-1939 24 p.

    Research output: Contribution to journalArticlepeer-review

  29. Published

    Variable Elimination in Binary CSP via Forbidden Patterns

    Cohen, D., Cooper, M. C., Escamocher, G. & Zivný, S., 2013.

    Research output: Contribution to conferencePaperpeer-review

  30. 2012
  31. Published

    The tractability of CSP classes defined by forbidden patterns

    Cohen, D. A., Cooper, M. C., Creed, P., Marx, D. & Salamon, A. Z., Sep 2012, In: Journal of Artificial Intelligence Research. 45, p. 47-78 3651.

    Research output: Contribution to journalArticlepeer-review

  32. 2011
  33. Published

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

    Cohen, D. A., Creed, P., Jeavons, P. G. & Živný, S., 2011, Mathematical Foundations of Computer Science 2011: 36th International Symposium, MFCS 2011, Warsaw, Poland, August 22-26, 2011: Proceedings. Springer, p. 231-242 (Lecture Notes in Computer Science; vol. 6907).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  34. Published

    On guaranteeing polynomially-bounded search tree size

    Cohen, D., Cooper, M., Green, M. J. & Marx, D., 2011.

    Research output: Contribution to conferencePaperpeer-review

  35. 2009
  36. Published

    The expressive power of binary submodular functions

    Zivný, S., Cohen, D. A. & Jeavons, P. G., 2009, In: Discrete Applied Mathematics. 157, 15, p. 3347-3358 12 p.

    Research output: Contribution to journalArticlepeer-review

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