By Scientia Professor Toby Walsh

Conference Papers

Kilby P; Slaney J; Thiebaux S; Walsh T, 2005, 'Backbones and backdoors in satisfiability', in 20th National conference on artificial intelligence (AAAI 2005), Pittsburgh, Pennsylvania, presented at 20th National conference on artificial intelligence (AAAI 2005), Pittsburgh, Pennsylvania, 30 July 2005 - 05 August 2005

Prestwich S; Rossi F; Venable B; Walsh T, 2005, 'Constraint-based preferential optimization', in 20th National conference on artificial intelligence (AAAI 2005), Pittsburgh, Pennsylvania, pp. 461 - 466, presented at 20th National conference on artificial intelligence (AAAI 2005), Pittsburgh, Pennsylvania, 30 July 2005 - 05 August 2005

Hebrard E; Hnich B; O Sullivan BG; Walsh T, 2005, 'Finding diverse and similar solutions in constraint programming', in 20th National conference on artificial intelligence (AAAI 2005), Pittsburgh, Pennsylvania, presented at 20th National conference on artificial intelligence (AAAI 2005), Pittsburgh, Pennsylvania, 30 July 2005 - 05 August 2005

Bacchus F; Walsh T, 2005, 'Propagating logical combinations of constraints', in Proceedings of the 19th international joint conference on Artificial intelligence, Morgan Kaufmann Publishers Inc., San Francisco, CA, USA, pp. 35 - 40, presented at 19th International joint conference on artificial intelligence, Edinburgh, Scotland, 30 July 2005 - 05 August 2005

Slaney J; Kilby P; Walsh T, 2005, 'The backbone of the travelling salesperson', in Proceedings of the 19th international joint conference on Artificial intelligence, Morgan Kaufmann Publishers Inc., San Francisco, CA, USA, presented at 19th International joint conference on artificial intelligence, Edinburgh, Scotland, 30 July 2005 - 05 August 2005

Walsh T; Bessiere C; Hebrard E; Hnich B; Kiziltan Z, 2005, 'The range and roots constraints: specifying counting and occurrence problems', in Proceedings of the 19th international joint conference on Artificial intelligence, Morgan Kaufmann Publishers Inc., San Francisco, CA, USA, pp. 60 - 65, presented at 19th International joint conference on artificial intelligence, Edinburgh, Scotland, 30 July 2005 - 05 August 2005

Walsh T; Frisch A; Hnich B; Miguel I; Smith B, 2005, 'Transforming and refining abstract constraint specifications', in 6th international symposium on Abstraction, reformulation, and approximation, Arith Castle, Scotland, presented at 6th international symposium on Abstraction, reformulation, and approximation, Arith Castle, Scotland, 26 July 2005 - 29 July 2005

Bessiere C; Hebrard E; Hnich B; Kiziltan Z; Walsh T, 2005, 'Filtering algorithms for the NVALUE constraint', in Proceedings of the First International Conference on Advances in Natural Computation (ICNC 2005), Part III, Lecture Notes in Computer Science 3612/2005, Springer, Berlin, Germany, pp. 79 - 93, presented at 2nd international conference on Integration of AI and OR techniques in constraint programming for combinatorial optimization problems, Prague, Czech Republic, 29 May 2005 - 01 June 2005

Stuckey PJ; De La Banda MG; Maher M; Marriott K; Slaney J; Somogyi Z; Wallace M; Walsh T, 2005, 'The G12 project: Mapping solver independent models to efficient solutions', in Lecture Notes in Computer Science, pp. 9 - 13, http://dx.doi.org/10.1007/11562931_3

Hebrard E; Tyler P; Walsh TM, 2005, 'Computing Super-schedules', in Proceedings of the First International Conference on Advances in Natural Computation (ICNC 2005), Part III, Lecture Notes in Computer Science 3612/2005, Springer, pp. 879 - 879

Hebrard E; Walsh TM, 2005, 'Improved algorithm for finding (a,b)-super solutions', in Proceedings of the First International Conference on Advances in Natural Computation (ICNC 2005), Part III, Lecture Notes in Computer Science 3612/2005, Springer, pp. 848 - 848

Bessiere C; Hebrard E; Hnich B; Walsh T, 2004, 'The complexity of global constraints', in Proceedings of the National Conference on Artificial Intelligence, ASSOC ADVANCEMENT ARTIFICIAL INTELLIGENCE, San Jose, CA, pp. 112 - 117, presented at 19th National Conference on Artificial Intelligence/16th Conference on Innovative Applications of Artificial Intelligence, San Jose, CA, 25 July 2004 - 29 July 2004, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000226971400018&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a

Rossi F; Venable KB; Walsh T, 2004, 'MCP Nets: Representing and reasoning with preferences of multiple agents', in Proceedings of the National Conference on Artificial Intelligence, pp. 729 - 734

Rossi F, 2004, 'Representing and reasoning with preferences', in Alferes JJ; Leite J (ed.), LOGICS IN ARTIFICIAL INTELLIGENCE, PROCEEDINGS, SPRINGER-VERLAG BERLIN, PORTUGAL, Lisbon, pp. 1 - 1, presented at 9th European Conference on Logics in Artificial Intelligence (JELIA 04), PORTUGAL, Lisbon, 27 September 2004 - 30 September 2004, http://dx.doi.org/10.1007/978-3-540-30227-8_1

Bessiere C; Hebrard E; Hnich B; Walsh T, 2004, 'Disjoint, partition and intersection constraints for set and multiset variables', in Wallace M (ed.), Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), SPRINGER-VERLAG BERLIN, Toronto, CANADA, pp. 138 - 152, presented at 10th International Conference on the Principles and Practice of Constraint Programming, Toronto, CANADA, 27 September 2004 - 01 October 2004, http://dx.doi.org/10.1007/978-3-540-30201-8_13

Bessiere C; Hebrard E; Hnich B; Walsh T, 2004, 'The tractability of global constraints', in Wallace M (ed.), Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), SPRINGER-VERLAG BERLIN, Toronto, CANADA, pp. 716 - 720, presented at 10th International Conference on the Principles and Practice of Constraint Programming, Toronto, CANADA, 27 September 2004 - 01 October 2004, http://dx.doi.org/10.1007/978-3-540-30201-8_53

Bessière C; Hebrard E; Walsh T, 2004, 'Local consistencies in SAT', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 299 - 314, http://dx.doi.org/10.1007/978-3-540-24605-3_23

Hebrard E; Hnich B; Walsh T, 2004, 'Robust solutions for constraint satisfaction and optimization', in Frontiers in Artificial Intelligence and Applications, pp. 186 - 190

Thiffault C; Bacchus F; Walsh T, 2004, 'Solving non-clausal formulas with DPLL search', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 663 - 678, http://dx.doi.org/10.1007/978-3-540-30201-8_48

Hebrard E; Hnich B; Walsh T, 2004, 'Super solutions in constraint programming', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 157 - 172, http://dx.doi.org/10.1007/978-3-540-24664-0_11

Frisch A; Miguel I; Kiziltan Z; Hnich B; Walsh T, 2003, 'Multiset ordering constraints', in IJCAI International Joint Conference on Artificial Intelligence, pp. 221 - 226

Domshlak C; Rossi F; Venable KB; Walsh T, 2003, 'Reasoning about soft constraints and conditional preferences: Complexity results and approximation techniques', in IJCAI International Joint Conference on Artificial Intelligence, pp. 215 - 220

Manandhar S; Tarim A; Walsh T, 2003, 'Scenario-based stochastic constraint programming', in IJCAI International Joint Conference on Artificial Intelligence, pp. 257 - 262

Walsh T, 2003, 'Generating gray codes in O(1) worst-case time per word', in Calude CS; Dinneen MJ; Vajnovszki V (eds.), DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE, PROCEEDINGS, SPRINGER-VERLAG BERLIN, FRANCE, DIJON, pp. 73 - 88, presented at 4th International Conference on Discrete Mathematics and Theoretical Computer Science (DMTCS 2003), FRANCE, DIJON, 07 July 2003 - 12 July 2003, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000185075200005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Walsh T, 2003, 'Consistency and propagation with multiset constraints: A formal viewpoint', in Rossi F (ed.), Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), SPRINGER-VERLAG BERLIN, Cork, IRELAND, pp. 724 - 738, presented at 9th International Conference on Principles and Practice of Constraint Programming, Cork, IRELAND, 29 September 2003 - 03 October 2003, http://dx.doi.org/10.1007/978-3-540-45193-8_49

Frisch AM; Miguel I; Walsh T, 2003, 'CGRASS: A system for transforming constraint satisfaction problems', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 15 - 30, http://dx.doi.org/10.1007/3-540-36607-5_2

Walsh T, 2003, 'Constraint patterns', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 53 - 64, http://dx.doi.org/10.1007/978-3-540-45193-8_4

Drake L; Frisch A; Walsh T, 2002, 'Combining inference and search for the prepositional satisfiability problem', in Proceedings of the National Conference on Artificial Intelligence, pp. 982

Walsh T, 2002, 'The interface between P and NP: COL, XOR, NAE, 1-in-k, and Horn SAT', in Proceedings of the National Conference on Artificial Intelligence, pp. 695 - 700

Flener P; Frisch AM; Hnich B; Kiziltan Z; Miguel I; Pearson J; Walsh T, 2002, 'Breaking row and column symmetry in matrix models', in Vidal T; Liberatore P (ed.), STAIRS 2002, PROCEEDINGS, IOS PRESS, FRANCE, LYON, pp. 207 - 216, presented at Starting Artificial Intelligence Researchers Symposium, FRANCE, LYON, 22 July 2002 - 23 July 2002, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000179109100028&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Walsh T, 2002, 'Stochastic constraint programming', in VanHarmelen F (ed.), ECAI 2002: 15TH EUROPEAN CONFERENCE ON ARTIFICIAL INTELLIGENCE, PROCEEDINGS, I O S PRESS, FRANCE, CLAUDE BERNARD UNIV, LYON, pp. 111 - 115, presented at 15th European Conference on Artificial Intelligence, FRANCE, CLAUDE BERNARD UNIV, LYON, 21 July 2002 - 26 July 2002, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000178870500021&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Frisch A; Sheridan D; Walsh T, 2002, 'A fixpoint based encoding for bounded model checking', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 238 - 255, http://dx.doi.org/10.1007/3-540-36126-x_15

Flener P; Frisch AM; Hnich B; Kiziltan Z; Miguel I; Pearson J; Walsh T, 2002, 'Breaking row and column symmetries in matrix models', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 462 - 477, http://dx.doi.org/10.1007/3-540-46135-3_31

Frisch A; Hnich B; Kiziltan Z; Miguel I; Walsh T, 2002, 'Global constraints for lexicographic orderings', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 93 - 108, http://dx.doi.org/10.1007/3-540-46135-3_7

Slaney J; Walsh T, 2001, 'Backbones in optimization and approximation', in IJCAI International Joint Conference on Artificial Intelligence, pp. 254 - 259

Walsh T, 2001, 'Search on high degree graphs', in IJCAI International Joint Conference on Artificial Intelligence, pp. 266 - 271

Choueiry BY; Walsh T, 2001, 'Symposium on abstraction, reformulation, and approximation (SARA-2000)', in AI Magazine, pp. 137

Walsh T, 2001, 'Permutation problems and channelling constraints', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 377 - 391, http://dx.doi.org/10.1007/3-540-45653-8_26

Walsh T, 2001, 'Principles and practice of constraint programming –CP2001: 7th international conference, CP 2001 Paphos, Cyprus, november 26 – december 1, 2001 proceedings', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Walsh T, 2001, 'Stochastic Constraint Programming', in AAAI Fall Symposium - Technical Report, pp. 129 - 135

Smith B; Stergiou K; Walsh T, 2000, 'Using auxiliary variables and implied constraints to model non-binary problems', in Proceedings of the 17th National Conference on Artificial Intelligence and 12th Conference on Innovative Applications of Artificial Intelligence, AAAI 2000, MIT PRESS, TX, AUSTIN, pp. 182 - 187, presented at 17th National Conference on Artificial Intelligence (AAAI-2000)/12th Conference on Innovative Applications of Artificial Intelligence (IAAI-2000), TX, AUSTIN, 30 July 2000 - 03 August 2000, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000172441000028&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Colton S; Bundy A; Walsh T, 2000, 'Automatic Invention of Integer Sequences', in Proceedings of the 17th National Conference on Artificial Intelligence and 12th Conference on Innovative Applications of Artificial Intelligence, AAAI 2000, pp. 558 - 563

Gent I; Stergiou K; Walsh T, 2000, 'Decomposable constraints', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 134 - 149, http://dx.doi.org/10.1007/3-540-44654-0_7

Walsh T, 2000, 'Reformulating propositional satisfiability as constraint satisfaction', in Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science), pp. 233 - 246, http://dx.doi.org/10.1007/3-540-44914-0_14

Walsh T, 2000, 'SAT v CSP', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 441 - 456, http://dx.doi.org/10.1007/3-540-45349-0_32

Prosser P; Stergiou K; Walsh T, 2000, 'Singleton consistencies', in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), pp. 353 - 368, http://dx.doi.org/10.1007/3-540-45349-0_26

Colton S; Bundy A; Walsh T, 1999, 'Automatic concept formation in pure mathematics', in IJCAI International Joint Conference on Artificial Intelligence, MORGAN KAUFMANN PUB INC, STOCKHOLM, SWEDEN, pp. 786 - 791, presented at 16th International Joint Conference on Artificial Intelligence (IJCAI 99), STOCKHOLM, SWEDEN, 31 July 1999 - 06 August 1999, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000165996800112&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a

Walsh T, 1999, 'Search in a small world', in IJCAI International Joint Conference on Artificial Intelligence, pp. 1172 - 1177

Stergiou K; Walsh T, 1999, 'The difference all-difference makes', in IJCAI International Joint Conference on Artificial Intelligence, pp. 414 - 419

Gent IP; Walsh T, 1999, 'Beyond NP: the QSAT phase transition', in Proceedings of the National Conference on Artificial Intelligence, ASSOC ADVANCEMENT ARTIFICIAL INTELLIGENCE, ORLANDO, FL, pp. 648 - 653, presented at 16th National Conference on Artificial Intelligence (AAAI-99)/11th Conference on Innovative Applications of Artificial Intelligence (IAAI-99), ORLANDO, FL, 18 July 1999 - 22 July 1999, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000089853000091&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a

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