Professor David Cohen

  1. 2007
  2. Published

    The expressive power of valued constraints: hierarchies and collapses

    Cohen, D. A., Jeavons, P. G. & Zivný, S., 1 Apr 2007.

    Research output: Working paper

  3. Published

    The Expressive Power of Valued Constraints: Hierarchies and Collapses

    Cohen, D., Jeavons, P. & ŽZivný, S., 2007, Principles and Practice of Constraint Programming – CP 2007. Bessière, C. (ed.). Berlin and Heidelberg: Springer, p. 798-805 8 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

  4. 2006
  5. Published
  6. Published

    An algebraic characterisation of complexity for valued constraints

    Cohen, D., Cooper, M. & Jeavons, P., 2006, p. 107-121.

    Research output: Contribution to conferencePaper

  7. Published

    Symmetry definitions for constraint satisfaction problems

    Cohen, D., Jeavons, P., Jefferson, C., Petrie, K. & Smith, B., 2006, In: Constraints. 11, p. 115-137 23 p.

    Research output: Contribution to journalArticlepeer-review

  8. Published

    The complexity of constraint languages

    Cohen, D. & Jeavons, P., 2006, Handbook of Constraint Programming. Rossi, F., van Beek, P. & Walsh, T. (eds.). Elsevier

    Research output: Chapter in Book/Report/Conference proceedingChapter

  9. Published

    The complexity of soft constraint satisfaction

    Cohen, D., Cooper, M., Jeavons, P. & Krokhin, A., 2006, In: Artificial Intelligence. 170, p. 983-1016 34 p.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    The Effect of Constraint Representation on Structural Tractability

    Houghton, C., Cohen, D. & Green, M. J., 2006, p. 726-730.

    Research output: Contribution to conferencePaper

  11. Published

    Typed Guarded Decompositions for Constraint Satisfaction

    Cohen, D. A. & Green, M. J., 2006, p. 122-136.

    Research output: Contribution to conferencePaper

  12. 2005
  13. Published

    A Unified Theory of Structural Tractability for Constraint Satisfaction and Spread Cut Decomposition.

    Cohen, D. A., Jeavons, P. & Gyssens, M., 2005, p. 72-77.

    Research output: Contribution to conferencePaper