![]() | 2009 | |
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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 |