| 2009 | ||
|---|---|---|
| 80 | Antti Eero Johannes Hyvärinen, Tommi A. Junttila, Ilkka Niemelä: Partitioning Search Spaces of a Randomized Search. AI*IA 2009: 243-252 | |
| 79 | Tomi Janhunen, Ilkka Niemelä, Mark Sevalnev: Computing Stable Models via Reductions to Difference Logic. LPNMR 2009: 142-154 | |
| 78 | Matti Järvisalo, Emilia Oikarinen, Tomi Janhunen, Ilkka Niemelä: A Module-Based Framework for Multi-language Constraint Modeling. LPNMR 2009: 155-168 | |
| 77 | Ilkka Niemelä: Integrating Answer Set Programming and Satisfiability Modulo Theories. LPNMR 2009: 3 | |
| 76 | Kari Kähkönen, Jani Lampinen, Keijo Heljanko, Ilkka Niemelä: The LIME Interface Specification Language and Runtime Monitoring Tool. RV 2009: 93-100 | |
| 75 | Rolf Drechsler, Tommi A. Junttila, Ilkka Niemelä: Non-Clausal SAT and ATPG. Handbook of Satisfiability 2009: 655-693 | |
| 2008 | ||
| 74 | Antti Eero Johannes Hyvärinen, Tommi A. Junttila, Ilkka Niemelä: Incorporating Learning in Grid-Based Randomized SAT Solving. AIMSA 2008: 247-261 | |
| 73 | Antti Eero Johannes Hyvärinen, Tommi A. Junttila, Ilkka Niemelä: Strategies for Solving SAT in Grids by Randomized Search. AISC/MKM/Calculemus 2008: 125-140 | |
| 72 | Matti Järvisalo, Tommi A. Junttila, Ilkka Niemelä: Justification-Based Non-Clausal Local Search for SAT. ECAI 2008: 535-539 | |
| 71 | Ilkka Niemelä: Answer Set Programming without Unstratified Negation. ICLP 2008: 88-92 | |
| 70 | Matti Järvisalo, Tommi A. Junttila, Ilkka Niemelä: Justification-Based Local Search with Adaptive Noise Strategies. LPAR 2008: 31-46 | |
| 69 | Ilkka Niemelä: Stable models and difference logic. Ann. Math. Artif. Intell. 53(1-4): 313-329 (2008) | |
| 68 | Matti Järvisalo, Ilkka Niemelä: The effect of structural branching on the efficiency of clause learning SAT solving: An experimental study. J. Algorithms 63(1-3): 90-113 (2008) | |
| 67 | Victor W. Marek, Ilkka Niemelä, Miroslaw Truszczynski: Logic programs with monotone abstract constraint atoms. TPLP 8(2): 167-199 (2008) | |
| 2007 | ||
| 66 | Verónica Dahl, Ilkka Niemelä: Logic Programming, 23rd International Conference, ICLP 2007, Porto, Portugal, September 8-13, 2007, Proceedings Springer 2007 | |
| 2006 | ||
| 65 | Ilkka Niemelä: Answer Set Programming: A Declarative Approach to Solving Search Problems. JELIA 2006: 15-18 | |
| 64 | Antti Eero Johannes Hyvärinen, Tommi A. Junttila, Ilkka Niemelä: A Distribution Method for Solving SAT in Grids. SAT 2006: 430-435 | |
| 63 | Tomi Janhunen, Ilkka Niemelä, Dietmar Seipel, Patrik Simons, Jia-Huai You: Unfolding partiality and disjunctions in stable model semantics. ACM Trans. Comput. Log. 7(1): 1-37 (2006) | |
| 62 | Jussi Rintanen, Keijo Heljanko, Ilkka Niemelä: Planning as satisfiability: parallel plans and algorithms for plan search. Artif. Intell. 170(12-13): 1031-1080 (2006) | |
| 61 | Victor W. Marek, Ilkka Niemelä, Miroslaw Truszczynski: Logic programs with monotone abstract constraint atoms CoRR abs/cs/0608103: (2006) | |
| 60 | Harri Haanpää, Matti Järvisalo, Petteri Kaski, Ilkka Niemelä: Hard Satisfiable Clause Sets for Benchmarking Equivalence Reasoning Techniques. JSAT 2(1-4): 27-46 (2006) | |
| 2005 | ||
| 59 | Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, Miroslaw Truszczynski: Nonmonotonic Reasoning, Answer Set Programming and Constraints, 24.-29. April 2005 Internationales Begegnungs- und Forschungszentrum für Informatik (IBFI), Schloss Dagstuhl, Germany 2005 | |
| 58 | Gerhard Brewka, Ilkka Niemelä, Miroslaw Truszczynski: Prioritized Component Systems. AAAI 2005: 596-601 | |
| 57 | Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, Miroslaw Truszczynski, Joost Vennekens: 05171 Abstracts Collection - Nonmonotonic Reasoning, Answer Set Programming and Constraints. Nonmonotonic Reasoning, Answer Set Programming and Constraints 2005 | |
| 56 | Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, Miroslaw Truszczynski: 05171 Executive Summary - Nonmonotonic Reasoning, Answer Set Programming and Constraints. Nonmonotonic Reasoning, Answer Set Programming and Constraints 2005 | |
| 55 | Matti Järvisalo, Tommi A. Junttila, Ilkka Niemelä: Unrestricted vs restricted cut in a tableau method for Boolean circuits. Ann. Math. Artif. Intell. 44(4): 373-399 (2005) | |
| 54 | Toni Jussila, Keijo Heljanko, Ilkka Niemelä: BMC via on-the-fly determinization. STTT 7(2): 89-101 (2005) | |
| 2004 | ||
| 53 | Vladimir Lifschitz, Ilkka Niemelä: Logic Programming and Nonmonotonic Reasoning, 7th International Conference, LPNMR 2004, Fort Lauderdale, FL, USA, January 6-8, 2004, Proceedings Springer 2004 | |
| 52 | Matti Järvisalo, Tommi A. Junttila, Ilkka Niemelä: Unrestricted vs Restricted Cut in a Tableau Method for Boolean Circuits. AMAI 2004 | |
| 51 | Misa Keinänen, Ilkka Niemelä: Solving Alternating Boolean Equation Systems in Answer Set Programming. INAP/WLP 2004: 134-148 | |
| 50 | Jussi Rintanen, Keijo Heljanko, Ilkka Niemelä: Parallel Encodings of Classical Planning as Satisfiability. JELIA 2004: 307-319 | |
| 49 | V. Wiktor Marek, Ilkka Niemelä, Miroslaw Truszczynski: Logic Programs With Monotone Cardinality Atoms. LPNMR 2004: 154-166 | |
| 48 | Tomi Janhunen, Ilkka Niemelä: GNT - A Solver for Disjunctive Logic Programs. LPNMR 2004: 331-335 | |
| 47 | Gerhard Brewka, Ilkka Niemelä, Tommi Syrjänen: Logic Programs with Ordered Disjunction. Computational Intelligence 20(2): 335-357 (2004) | |
| 2003 | ||
| 46 | Gerhard Brewka, Ilkka Niemelä, Miroslaw Truszczynski: Answer Set Optimization. IJCAI 2003: 867-872 | |
| 45 | Tomi Janhunen, Ilkka Niemelä, Dietmar Seipel, Patrik Simons, Jia-Huai You: Unfolding Partiality and Disjunctions in Stable Model Semantics CoRR cs.AI/0303009: (2003) | |
| 44 | Keijo Heljanko, Ilkka Niemelä: Bounded LTL Model Checking with Stable Models CoRR cs.LO/0305040: (2003) | |
| 43 | V. Wiktor Marek, Ilkka Niemelä, Miroslaw Truszczynski: Logic programs with monotone cardinality atoms CoRR cs.LO/0310063: (2003) | |
| 42 | Toni Jussila, Keijo Heljanko, Ilkka Niemelä: BMC via on-the-fly determinization. Electr. Notes Theor. Comput. Sci. 89(4): (2003) | |
| 41 | Keijo Heljanko, Ilkka Niemelä: Bounded LTL model checking with stable models. TPLP 3(4-5): 519-550 (2003) | |
| 2002 | ||
| 40 | Gerhard Brewka, Ilkka Niemelä, Tommi Syrjänen: Implementing Ordered Disjunction Using Answer Set Solvers for Normal Programs. JELIA 2002: 444-455 | |
| 39 | Patrik Simons, Ilkka Niemelä, Timo Soininen: Extending and implementing the stable model semantics. Artif. Intell. 138(1-2): 181-234 (2002) | |
| 2001 | ||
| 38 | Keijo Heljanko, Ilkka Niemelä: Answer Set Programming and Bounded Model Checking. Answer Set Programming 2001 | |
| 37 | Timo Soininen, Ilkka Niemelä, Juha Tiihonen, Reijo Sulonen: Representing Configuration Knowledge With Weight Constraint Rules. Answer Set Programming 2001 | |
| 36 | Keijo Heljanko, Ilkka Niemelä: Bounded LTL Model Checking with Stable Models. LPNMR 2001: 200-212 | |
| 35 | Tommi Syrjänen, Ilkka Niemelä: The Smodels System. LPNMR 2001: 434-438 | |
| 34 | Jürgen Dix, Ulrich Furbach, Ilkka Niemelä: Nonmonotonic Reasoning: Towards Efficient Calculi and Implementations. Handbook of Automated Reasoning 2001: 1241-1354 | |
| 33 | Stefan Brass, Jürgen Dix, Ilkka Niemelä, Teodor C. Przymusinski: On the equivalence of the static and disjunctive well-founded semantics and its computation. Theor. Comput. Sci. 258(1-2): 523-553 (2001) | |
| 2000 | ||
| 32 | Tommi A. Junttila, Ilkka Niemelä: Towards an Efficient Tableau Method for Boolean Circuit Satisfiability Checking. Computational Logic 2000: 553-567 | |
| 31 | Tomi Janhunen, Ilkka Niemelä, Patrik Simons, Jia-Huai You: Unfolding Partiality and Disjunctions in Stable Model Semantics. KR 2000: 411-422 | |
| 30 | Ilkka Niemelä, Patrik Simons, Tommi Syrjänen: Smodels: A System for Answer Set Programming CoRR cs.AI/0003033: (2000) | |
| 29 | Maarit Hietalahti, Fabio Massacci, Ilkka Niemelä: DES: a Challenge Problem for Nonmonotonic Reasoning Systems CoRR cs.AI/0003039: (2000) | |
| 1999 | ||
| 28 | Timo Soininen, Esther Gelle, Ilkka Niemelä: A Fixpoint Definition of Dynamic Constraint Satisfaction. CP 1999: 419-433 | |
| 27 | Ilkka Niemelä, Patrik Simons, Timo Soininen: Stable Model Semantics of Weight Constraint Rules. LPNMR 1999: 317-331 | |
| 26 | Timo Soininen, Ilkka Niemelä: Developing a Declarative Rule Language for Applications in Product Configuration. PADL 1999: 305-319 | |
| 25 | Ilkka Niemelä: Logic Programs with Stable Model Semantics as a Constraint Programming Paradigm. Ann. Math. Artif. Intell. 25(3-4): 241-273 (1999) | |
| 1998 | ||
| 24 | Stefan Brass, Jürgen Dix, Ilkka Niemelä, Teodor C. Przymusinski: A Comparison of the Static and the Disjunctive Well-Founded Semantics and its Implementation. KR 1998: 74-85 | |
| 23 | Gerhard Brewka, Ilkka Niemelä: Report on the Seventh International Workshop on Nonmonotonic Reasoning. AI Magazine 19(4): 139 (1998) | |
| 1997 | ||
| 22 | Chandrabose Aravindan, Jürgen Dix, Ilkka Niemelä: Dislop: Towards a Disjunctive Logic Programming System. LPNMR 1997: 342-353 | |
| 21 | Ilkka Niemelä, Patrik Simons: Smodels - An Implementation of the Stable Model and Well-Founded Semantics for Normal LP. LPNMR 1997: 421-430 | |
| 20 | Chandrabose Aravindan, Jürgen Dix, Ilkka Niemelä: DisLoP: A Research Project on Disjunctive Logic Programming. AI Commun. 10(3-4): 151-165 (1997) | |
| 1996 | ||
| 19 | Ilkka Niemelä: Implementing Circumscription Using a Tableau Method. ECAI 1996: 80-84 | |
| 18 | Peter Baumgartner, Ulrich Furbach, Ilkka Niemelä: Hyper Tableaux. JELIA 1996: 1-17 | |
| 17 | Ilkka Niemelä, Patrik Simons: Efficient Implementation of the Well-founded and Stable Model Semantics. JICSLP 1996: 289-303 | |
| 16 | Chandrabose Aravindan, Peter Baumgartner, Jürgen Dix, Ulrich Furbach, Gerd Neugebauer, Ilkka Niemelä, Dorothea Schäfer, Frieder Stolzenburg: On Merging Theorem Proving and Logic Programming Paradigms (Poster Abstract). JICSLP 1996: 546 | |
| 15 | Ilkka Niemelä: A Tableau Calculus for Minimal Model Reasoning. TABLEAUX 1996: 278-294 | |
| 1995 | ||
| 14 | Ilkka Niemelä: Towards Efficient Default Reasoning. IJCAI 1995: 312-318 | |
| 13 | Ilkka Niemelä: A Decision Method for Nonmonotonic Reasoning Based on Autoepistemic Reasoning. J. Autom. Reasoning 14(1): 3-42 (1995) | |
| 1994 | ||
| 12 | Ilkka Niemelä: A Decision Method for Nonmomotonic Reasoning Based on Autoepistemic Reasoning. KR 1994: 473-484 | |
| 11 | Ilkka Niemelä, Jussi Rintanen: On the Impact of Stratification on the Complexity of Nonmonotonic Reasoning. Journal of Applied Non-Classical Logics 4(2): (1994) | |
| 1993 | ||
| 10 | Tomi Janhunen, Ilkka Niemelä: A Scheme for Weakened Negative Introspection in Autoepistemic Reasoning. Kurt Gödel Colloquium 1993: 211-222 | |
| 1992 | ||
| 9 | Ilkka Niemelä: A Unifying Framework for Nonmonotonic Reasoning. ECAI 1992: 334-338 | |
| 8 | Ilkka Niemelä, Jussi Rintanen: On the Impact of Stratification on the Complexity of Nonmonotonic Reasoning. ECAI Workshop on Knowledge Representation and Reasoning 1992: 275-295 | |
| 7 | Ilkka Niemelä, Jussi Rintanen: On the Impact of Stratification on the Complexity of Nonmonotonic Reasoning. KR 1992: 627-638 | |
| 6 | Ilkka Niemelä: On the decidability and complexity of autoepistemic reasoning. Fundam. Inform. 17(1-2): 117-155 (1992) | |
| 1991 | ||
| 5 | Ilkka Niemelä: Constructive Tightly Grounded Autoepistemic Reasoning. IJCAI 1991: 399-405 | |
| 1990 | ||
| 4 | Ilkka Niemelä: Towards Automatic Autoepistemic Reasoning. JELIA 1990: 428-443 | |
| 1988 | ||
| 3 | Ilkka Niemelä: Decision Procedure for Autoepistemic Logic. CADE 1988: 675-684 | |
| 2 | Ilkka Niemelä: On the Complexity of the Decision Problem in Propositional Nonmonotonic Logic. CSL 1988: 226-239 | |
| 1 | Ilkka Niemelä: Autoepistemic Predicate Logic. ECAI 1988: 595-600 | |