Publications and Papers

2010
U. Hustad and R. A. Schmidt (2010): ``A Comparison of Solvers for Propositional Dynamic Logic.'' In B. Konev, R. A. Schmidt and S. Schulz, editors, Proceedings of the Workshop on Practical Aspects of Automated Reasoning PAAR-2010 (Edinburgh, Scotland, July 14, 2010).
Abstract (including benchmarking formulae), BibTeX, Full text.

M. Ludwig and U. Hustadt (2010a): ``Implementing a fair monodic temporal logic prover.'' In AI Communications 23(2-3):69-96.
Abstract, BibTeX, PDF (IOS Press).

L. Zhang, U. Hustadt, and C. Dixon (2010a): ``CTL-RP: A computation tree logic resolution prover.'' In AI Communications 23(2-3):111-136.
Abstract, BibTeX, PDF (IOS Press).

2009
M. Ludwig and U. Hustadt (2009a): ``Redundancy Elimination in Monodic Temporal Reasoning.'' In N. Peltier and V. Sofronie-Stokkermans, editors, Proceedings of the 7th International Workshop on First-Order Theorem Proving FTP 2009 (Oslo, Norway, July 6-7, 2009).
Abstract, BibTeX, PDF.

M. Ludwig and U. Hustadt (2009b): ``Resolution-Based Model Construction for PLTL.'' In C. Lutz and J.-F. Raskin, editors, Proceedings of the 16th International Symposium on Temporal Representation and Reasoning TIME-2009 (Brixen-Bressanone, Italy, 23-25 July, 2009). IEEE Computer Society.
Abstract, BibTeX, PDF.

M. Ludwig and U. Hustadt (2009c): ``Fair Derivations in Monodic Temporal Reasoning.'' In R. A. Schmidt, editor, Proceedings of the 22nd International Conference on Automated Deduction CADE-22 (Montreal, Canada, August 2-7, 2009), pp. 261-276. LNAI 5663, Spinger.
Abstract (via Springer), BibTeX (via DBLP), Full text (via Springer).

L. Zhang, U. Hustadt, and C. Dixon (2009a): ``A Refined Resolution Calculus for CTL.'' In R. A. Schmidt, editor, Proceedings of the 22nd International Conference on Automated Deduction CADE-22 (Montreal, Canada, August 2-7, 2009), pp. 245-260. LNAI 5663, Spinger.
Abstract (via Springer), BibTeX (via DBLP), Full text (via Springer).

2008
U. Hustadt, B. Motik, and U. Sattler (2008): ``Deciding expressive description logics in the framework of resolution.'' In Information and Computation 206(5): 579-601.
Abstract, BibTeX (DBLP), PDF (Sciencedirect).

2007
U. Hustadt, B. Motik, and U. Sattler (2007): ``Reasoning in Description Logics by a Reduction to Disjunctive Datalog''. In Journal of Automated Reasoning 39(3):351-384.
Abstract, BibTeX, PDF (© Springer-Verlag).

R. A. Schmidt and U. Hustadt (2007): ``The Axiomatic Translation Principle for Modal Logic''. In ACM Transactions on Computational Logic 8(4):19/1-55.
Abstract, BibTeX, PDF (© ACM Press).

2006
U. Hustadt, D. Tishkovsky, F. Wolter, and M. Zakharyaschev (2006): ``Automated reasoning about metric and topology''. In Michael Fisher, Wiebe van der Hoek, Boris Konev and Alexei Lisitsa, editors, Proceedings of the 10th European Conference on Logics in Artificial Intelligence JELIA 2006 (Liverpool, UK, September 13-15, 2006), pp. 490-493. LNAI 4160, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

2005
M. C. Fernández-Gago, U. Hustadt, C. Dixon, M. Fisher, and B Konev (2005): ``First-Order Temporal Verification in Practice''. In Journal of Automated Reasoning 34:295-321.
Abstract, BibTeX, PDF (© Springer-Verlag).

U. Hustadt, C. Dixon, R. A. Schmidt, M. Fisher, J.-J. Ch. Meyer, and W. van der Hoek (2005): ``Verification Within the KARO Agent Theory''. In C. Rouff, M. Hinchey, J. Rash, W. Truszkowski, and D. Gordon-Spears, editors, Agent Technology from a Formal Perspective. Springer, 2005.
Abstract, BibTeX, PDF.

U. Hustadt, B. Konev, and R. A. Schmidt (2005): ``Deciding Monodic Fragments by Temporal Resolution.'' In R. Nieuwenhuis, editor, Procceedings of the 20th International Conference on Automated Deduction CADE-20 (Tallinn, Estonia, July 22-27, 2005), pp. 204-218. LNAI 3632, Springer.
Abstract, BibTeX, PDF, Full text (via Springer) (© Springer-Verlag).

U. Hustadt and B. Motik (2005): ``Description Logics and Disjunctive Datalog - The Story so Far.'' In Ian Horrocks, Ulrike Sattler, and Frank Wolter, editors, Proceedings of the 2005 International Workshop on Description Logics (DL2005) (Edinburgh, Scotland, UK, July 26-28, 2005).
Abstract, BibTeX, PDF.

U. Hustadt, B. Motik, and U. Sattler (2005a): ``A Decomposition Rule for Decision Procedures by Resolution-Based Calculi.'' In F. Baader and A. Voronkov, editors, Proceedings of the 11th International Conference on Logic for Programming, Artificial Intelligence, and Reasoning LPAR 2004 (Montevideo, Uruguay, March 14-18, 2005), pp. 21-35. LNAI 3452, Springer.
Abstract, BibTeX, Full text (via Springer) (© Springer-Verlag).

U. Hustadt, B. Motik, and U. Sattler (2005b): ``Data Complexity of Reasoning in Very Expressive Description Logics.'' In Proceedings of the Nineteenth International Joint Conference on Artificial Intelligence IJCAI 2005 (Edinburgh, Scotland, July 30-August 5 2005), pp. 466-471.
Abstract, BibTeX, PDF (© IJCAI).

B. Konev, A. Degtyarev, C. Dixon, M. Fisher, and U. Hustadt (2005): ``Mechanising first-order temporal resolution.'' In Information and Computation 199(1-2):55-86.
Abstract, BibTeX, Full text (via ScienceDirect).

2004
V. Goranko, U. Hustadt, R. A. Schmidt, and D. Vakarelov (2004): ``SCAN is complete for all Sahlqvist formulae.'' In R. Berghammer, B. Möller, and G. Struth, editors, Revised Selected Papers of the 7th International Seminar on Relational Methods in Computer Science and the 2nd International Workshop on Applications of Kleene Algebra (Bad Malente, Germany, May 12-17 2003), pp. 149-162. LNCS 3051, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

U. Hustadt and B. Konev (2004): ``TRP++: A temporal resolution prover.'' In M. Baaz, J. Makowsky, and A. Voronkov, editors, Collegium Logicum, volume 8. Kurt Gödel Society, Wien, 2004.
BibTeX, PDF (preprint).

U. Hustadt, B. Konev, A. Riazanov, and A. Voronkov (2004a): ``TeMP: A Temporal Monodic Prover.'' In D. A. Basin and M. Rusinowitch, editors, Proceedings of the Second International Joint Conference on Automated Reasoning IJCAR 2004 (Cork, Ireland, July 4-8 2004), pp. 326-330. LNAI 3097, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

U. Hustadt, B. Konev, A. Riazanov, and A. Voronkov (2004b): ``TeMP: A Temporal Monodic Prover.'' Technical Report ULCS-04-004, Department of Computer Science, University of Liverpool.
Abstract, PostScript

U. Hustadt, B. Motik, and U. Sattler (2004a): ``Reducing SHIQ- Description Logic to Disjunctive Datalog Programs.'' In D. Dubois, C. Welty, and M.-A. Williams, editors, Proceedings of the 9th International Conference on Knowledge Representation and Reasoning KR2004 (Whistler, Canada, June 2-5 2004), pp. 152-162. AAAI Press.
Abstract, BibTeX, PDF (© AAAI Press).

U. Hustadt, B. Motik, and U. Sattler (2004b): ``Reasoning in Description Logics with a Concrete Domain in the Framework of Resolution.'' In R. Lopez de Mantaras and L. Saitta, editors, Proceedings of the 16th European Conference on Artificial Intelligence ECAI 2004 (Valencia, Spain, August 22-27, 2004), pp. 353-357. IOS Press.
Abstract, BibTeX, PDF (© IOS Press).

U. Hustadt, B. Motik, and U. Sattler (2004c): ``Reasoning for Description Logics around SHIQ in a Resolution Framework.'' FZI-Report 3-8-04/04, FZI Karlsruhe, Germany.
Abstract, BibTeX, PDF.

U. Hustadt, R. A. Schmidt, and L. Georgieva (2004): ``A Survey of Decidable First-Order Fragments and Description Logics.'' Journal on Relational Methods in Computer Science 1:251-276.
Abstract, BibTeX, PDF.

R. A. Schmidt, E. Orlowska, and U. Hustadt (2004): ``Two proof systems for Peirce algebras.'' In R. Berghammer, B. Möller, and G. Struth, editors, Revised Selected Papers of the 7th International Seminar on Relational Methods in Computer Science and the 2nd International Workshop on Applications of Kleene Algebra (Bad Malente, Germany, May 12-17 2003), pp. 238-251. LNCS 3051, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

R. A. Schmidt, Dmitry Tishkovsky, and U. Hustadt (2004): ``Interactions between Knowledge, Action, and Commitment within Agent Dynamic Logic.'' Studia Logica 78(3):381-415.
Abstract, BibTeX, Springer site.

2003
B. Konev, A. Degtyarev, C. Dixon, M. Fisher, and U. Hustadt(2005): ``Towards the Implementation of First-Order Temporal Resolution: the Expanding Domain Case.'' In Proceedings of the 10th International Symposium on Temporal Representation and Reasoning / 4th International Conference on Temporal Logic TIME-ICTL 2003 (Cairns, Queensland, Australia, 8-10 July 2003), 72-82. IEEE Computer Society.
Abstract, BibTeX. B. Motik, U. Sattler, and U. Hustadt (2003): ``Reducing SHIQ- Description Logic to Disjunctive Datalog Programs.'' FZI-Report 1-8-11/03, FZI Karlsruhe, Germany.
Abstract, BibTeX, PDF.

L. Georgieva, U. Hustadt, and R. A. Schmidt (2003): ``Hyperresolution for Guarded Formulae.'' Journal of Symbolic Computation 36(1-2):163-192.
Abstract, BiBTeX, ScienceDirect.

V. Goranko, U. Hustadt, R. A. Schmidt, and D. Vakarelov (2003): ``SCAN is complete for all Sahlqvist formulae.'' In R. Berghammer and B. Möller, editors, Proceedings of the 7th International Seminar on Relational Methods in Computer Science RelMiCS-7 (Bad Malente, Germany, May 12-17 2003), pp. 230-241. Christian-Albrechts-Universität Kiel.
Abstract, BibTeX, PDF.

U. Hustadt and B.Konev (2003): ``TRP++ 2.0: A Temporal Resolution Prover.'' In F. Baader, editor, Proceedings of the 19th International Conference on Automated Deduction CADE-19 (Miamia Beach, USA, July/August 2003), pp. 274-278. LNAI 2741, Springer.
Abstract, BiBTeX, PDF, Abstract and PDF at Springer-Verlag (© Springer-Verlag).

R. A. Schmidt and U. Hustadt (2003a): ``Mechanised Reasoning and Model Generation for Extended Modal Logics.'' Preprint Series CSPP-19, University of Manchester, UK.
Abstract, BibTeX, PostScript.

R. A. Schmidt and U. Hustadt (2003b): ``A Principle for Incorporating Axioms into the First-Order Translation of Modal Formulae.'' In F. Baader, editor, Proceedings of the 19th International Conference on Automated Deduction CADE-19 (Miamia Beach, USA, July/August 2003), pp. 412-426. LNAI 2741, Springer.
Abstract, BiBTeX, PDF, Abstract and PDF at Springer-Verlag (© Springer-Verlag).

R. A. Schmidt and U. Hustadt (2003c): ``Mechanised Reasoning and Model Generation for Extended Modal Logics.'' In H. de Swart, E. Orlowska, G. Schmidt, and M. Roubens, editors, Theory and Applications of Relational Structures as Knowledge Instruments. COST Action 274, TARSKI. Revised Papers., pp. 38-67. Lecture Notes in Computer Science 2929, Springer.
Abstract, BiBTeX, PDF (© Springer-Verlag).

R. A. Schmidt, E. Orlowska, and U. Hustadt (2003): ``Two proof systems for Peirce algebras.'' In R. Berghammer and B. Möller, editors, Proceedings of the 7th International Seminar on Relational Methods in Computer Science RelMiCS-7 (Bad Malente, Germany, May 12-17 2003), pp. 197-203. Christian-Albrechts-Universität Kiel.
Abstract, BibTeX, PDF.

2002
B. Bennett, C. Dixon, M. Fisher, U. Hustadt, E. Franconi, I. Horrocks, and M. de Rijke (2002): ``Combinations of Modal Logics.'' Artificial Intelligence Review 17(1):1-20.
BibTeX.

L. Georgieva, U. Hustadt, R. A. Schmidt (2002a): ``On the relationship between decidable fragments, non-classical logics, and description logics.'' In I. Horrocks and S. Tessaris, editors, Proceedings of the International Workshop on Description Logics DL2002 (Toulouse, France, April 19-21 2002), pp. 25-36.
Abstract, BiBTeX, PostScript

U. Hustadt and R. A. Schmidt (2002a): ``Using resolution for testing modal satisfiability and building models.'' Journal of Automated Reasoning 28(2):205-232.
Abstract, BibTeX, Kluwer's title page (with access to PDF file).

U. Hustadt and R. A. Schmidt (2002b): ``Scientific benchmarking with temporal logic decision procedures.'' In D. Fensel, F. Giunchiglia, D. McGuinness, and M.-A. Williams, editors, Proceedings of the Eighth International Conference on Principles of Knowledge Representation and Reasoning KR2002 (Toulouse, France, April 22-25, 2002), pp. 533-544. Morgan Kaufmann.
Abstract, BiBTeX, PDF.

L. Georgieva, U. Hustadt, R. A. Schmidt (2002b): ``A new clausal class decidable by hyperresolution.'' In A. Voronkov, editor, Proceedings of the 18th International Conference on Automated Deduction CADE-18 (Copenhagen, Denmark, July 27-30, 2002), pp. 258--272. LNAI 2392, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

2001
C. Fermüller, A. Leitsch, U. Hustadt, and T. Tammet (2001): ``Resolution decision procedures.'' In A. Robinson and A. Voronkov, editors, Handbook of Automated Reasoning, pp. 1791-1850. Elsevier.
BibTeX.

H. Ganzinger, U. Hustadt, C. Meyer, and R. A. Schmidt(2001): ``A resolution-based decision procedure for extensions of K4.'' In M. Zakharyaschev, K. Segerberg, and M. de Rijke, and H. Wansing, editors, Advances in Modal Logic 2, pp. 243-263. CSLI Publications.
Abstract, BiBTeX, PDF (© CSLI Publications).

L. Georgieva, U. Hustadt, R. A. Schmidt (2001b): ``Computational space efficiency and minimal model generation for guarded formulae.'' In R. Nieuwenhuis and A. Voronkov, editors, Proceedings of the 8th International Conference on Logic for Programming, Artificial Intelligence, and Reasoning LPAR 2001 (Havana, Cuba, December 3-7, 2001), pp. 85-99. LNAI 2250, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

L. Georgieva, U. Hustadt, R. A. Schmidt (2001a): ``Computational space efficiency and minimal model generation for guarded formulae.'' In R. Gore, A. Leitsch, and T. Nipkow, editors, IJCAR 2001: Short Papers, pp. 34-43. Technical Report DII 11/01, Dipartimento di Ingegneria dell'Informazione, Unversitá degli Studi di Siena.
Abstract, BibTeX, PostScript.

B. Hirsch and U. Hustadt (2001): ``Translating PLTL into WS1S: Application Description.'' In Methods for Modalities II. University of Amsterdam, 2001.
Abstract, PostScript, Software: TRP.

U. Hustadt, C. Dixon, R. A. Schmidt, M. Fisher, J.-J. Meyer, and W. van der Hoek (2001a): ``Verification within the KARO agent theory.'' In J. L. Rash, C. A. Rouff, W. Truszkowski, D. Gordon, and M. G. Hinchey, editors, Proceedings of the First International Workshop on Formal Approaches to Agent-Based Systems FAABS 2000 (Goddard Space Flight Center, Greenbelt, MD, USA, April 5-7 2000), pp. 33-47. LNAI 1871, Springer.
Abstract, BibTeX, PDF (© Springer-Verlag).

U. Hustadt, C. Dixon, R. A. Schmidt, M. Fisher, J.-J. Meyer, and W. van der Hoek (2001b): ``Reasoning about agents in the KARO framework.'' In C. Bettini and A. Montanari, editors, Proceedings of the Eighth International Symposium on Temporal Representation and Reasoning TIME-01 (Cividale del Friuli, Italy, June 14-16 2001), 206-213. IEEE Press.
Abstract, BibTeX.

U. Hustadt and R. A. Schmidt (2001): ``Formulae which highlight differences between temporal logic and dynamic logic provers.'' In E. Giunchiglia and F. Massacci, editors, Issues in the Design and Experimental Evaluation of Systems for Modal and Temporal Logics, pp. 68-76. Technical Report DII 14/01, Dipartimento di Ingegneria dell'Informazione, Unversitá degli Studi di Siena.
Abstract, BibTeX, PostScript.

2000
H. de Nivelle, R. A. Schmidt, and U. Hustadt(2000): ``Resolution-based methods for modal logics.'' Logic Journal of the IGPL (8)3:265-292.
Abstract, BibTeX, PostScript (gzip), PDF, Errata.

L. Georgieva, U. Hustadt, R. A. Schmidt (2000): ``Hyperresolution for guarded formulae.'' In P. Baumgartner and H. Zhang, editors, Proceedings of the Third International Workshop on First-Order Theorem Proving FTP'2000 (St. Andrews, Scotland, July 2-4 2000), pp. 101-112. Fachberichte Informatik 5/2000, Institut für Informatik, Universität Koblenz-Landau.
Abstract, BibTeX, PostScript, PDF.

U. Hustadt, C. Dixon, R. A. Schmidt, and M. Fisher (2000): ``Normal forms and proofs in combined modal and temporal logics.'' In H. Kirchner and C. Ringeissen, editors, Proceedings of the Third International Workshop on Frontiers of Combining Systems FroCoS'2000 (Nancy, France, March 22-24, 2000), pp. 73-87. LNAI 1794, Springer.
Abstract, BibTeX, PostScript (© Springer-Verlag).

U. Hustadt and R. A. Schmidt (2000a): ``Issues of decidability for description logics in the framework of resolution.'' In G. Salzer and R. Caferra, editors, Automated Deduction in Classical and Non-Classical Logics, pp. 192-206. LNAI 1761, Springer.
Abstract, BiBTeX, PostScript, PostScript (gzip), PDF (© Springer-Verlag).

 

U. Hustadt and R. A. Schmidt (2000b): ``Using resolution for testing modal satisfiability and building models.'' In I. Gent, H. van Maaren and T. Walsh, editors, SAT 2000: Highlights of Satisfiability Research in the Year 2000, pp. 459-483. Frontiers in Artificial Intelligence and Applications 63, IOS Press.
Abstract, BiBTeX.

U. Hustadt and R. A. Schmidt (2000c): ``MSPASS: Modal reasoning by translation and first-order resolution.'' In R. Dyckhoff, editor, Proceedings of the International Conference on Automated Reasoning with Analytic Tableaux and Related Methods TABLEAUX 2000 (St. Andrews, Scotland, July 3-7, 2000), pp. 67-71. LNAI 1847, Springer.
Abstract, BibTeX, Postscript, PDF (© Springer-Verlag).

R. A. Schmidt and U. Hustadt (2000): ``A resolution decision procedure for fluted logic.'' In D. McAllester, editor, Proceedings of the 17th International Conference on Automated Deduction CADE-17 (Pittsburgh, USA, 2000), pp. 433-448. LNAI 1831, Springer.
Abstract, BibTeX PostScript (gzip) (© Springer-Verlag).

1999
U. Hustadt (1999): ``Resolution-based decision procedures for subclasses of first-order logic.'' PhD thesis, Universität des Saarlandes, Saarbrücken, Germany.
Abstract, BibTeX, Postscript, Postscript (gzip), PDF.

U. Hustadt and R. A. Schmidt (1999a): ``Maslov's class K revisited.'' In H. Ganzinger, editor, Proceedings of the 16th International Conference on Automated Deduction CADE-16 (Trento, Italy, July 7-10, 1999), pp. 172-186. LNAI 1632, Springer.
Abstract, BibTeX, Postscript, Postscript (gzip), PDF (© Springer-Verlag).

U. Hustadt and R. A. Schmidt (1999b): ``On the relation of resolution and tableaux proof systems for description logics.'' In D. Thomas, editor, Proceedings of the 16th International Joint Conference on Artificial Intelligence IJCAI'99 (Stockholm, Sweden, July 31-August 6, 1999), Volume 1, pp. 110-115. Morgan Kaufmann.
Abstract, BibTeX.

U. Hustadt and R. A. Schmidt (1999c): ``An empirical analysis of modal theorem provers.'' Journal of Applied Non-Classical Logics (9)4:479-522.
Abstract, BibTeX.

U. Hustadt, R. A. Schmidt, and C. Weidenbach (1999): ``MSPASS: Subsumption testing with SPASS.'' In P. Lambrix et al., editors, Proceedings of the International Workshop on Description Logics DL'99 (Linköping University, Sweden), pp. 136-137.
Abstract, BiBTeX, PostScript

1998
U. Hustadt and R. A. Schmidt (1998a): ``Simplification and backjumping in modal tableau.'' In H. de Swart, editor, Proceedings of the International Conference on Automated Reasoning with Analytic Tableaux and Related Methods TABLEAUX'98 (Oisterwijk, The Netherlands, May 5-8, 1998), pp. 187-201. LNAI 1397, Springer.
Abstract, BibTeX, Postscript, Postscript (gzip), PDF, PDF (gzip) (© Springer-Verlag).

U. Hustadt and R. A. Schmidt (1998b): ``Issues of decidability for description logics in the framework of resolution.'' In G. Salzer and R. Caferra, editors, Proceedings of 2nd International Workshop on First-order Theorem Proving FTP'98 (Vienna, Austria, November 23-25, 1998), pp. 152-161. Technical report E1852-GS-981, Technische Universität Wien.
Abstract, BiBTeX, Postscript (gzip).

U. Hustadt, R. A. Schmidt, and C. Weidenbach (1998): ``Optimised functional translation and resolution.'' In H. de Swart, editor, Proceedings of the International Conference on Automated Reasoning with Analytic Tableaux and Related Methods TABLEAUX'98 (Oisterwijk, The Netherlands, May 5-8, 1998), pp. 36-37. LNAI 1397, Springer.
Abstract, BibTeX, Postscript, Postscript (gzip), PDF, PDF (gzip) (© Springer-Verlag).

1997
U. Hustadt and R. A. Schmidt (1997a): ``On evaluating decision procedures for modal logic.'' Research Report MPI-I-97-2-003, Max-Planck-Institut für Informatik.
Abstract, BibTeX, Postscript (gzip), PDF, PDF (gzip).

U. Hustadt and R. A. Schmidt (1997b): ``On evaluating decision procedures for modal logic.'' In M. A. Pollack, editor, Proceedings of the Fifteenth International Joint Conference on Artificial Intelligence IJCAI-97 (Nagoya, Japan, August 23-29, 1997), Volume 1, pp. 202-207. Morgan Kaufmann.
Abstract, BibTeX.

1996
H. J. Ohlbach, R. A. Schmidt, and U. Hustadt (1996): ``Translating graded modalities into predicate logics.'' In H. Wansing, editor, Proof Theory of Modal Logic, pp. 253--291. Applied Logic Series 2, Kluwer.
Abstract, BibTeX.

1995
H. J. Ohlbach, R. A. Schmidt, and U. Hustadt (1995b): ``Translating graded modalities into predicate logic.'' Research Report MPI-I-95-2-008, Max-Planck-Institut für Informatik.
Abstract, BibTeX, DVI (gzip), Postscript (gzip).

H. J. Ohlbach, R. A. Schmidt, and U. Hustadt (1995c): ``Symbolic arithmetical reasoning with qualified number restrictions.'' In A. Borgida, M. Lenzerini, D. Nardi, and B. Nebel, editors, International Workshop on Description Logics (Rome, Italy), pp. 89--95. Appeared as Technical Report RAP.07.95, Dipartimento di Informatica e Sistemistica, Univ. degli studia di Roma.
Abstract, BibTeX, DVI (gzip), Postscript (gzip).

1994
U. Hustadt (1994a): ``Common and mutual belief for agent modeling.'' In J. Kunze and H. Stoyan, editors, KI-94 Workshops: Extended Abstracts, pp. 123--124. Gesellschaft für Informatik.
Abstract, BibTeX, Postscript (gzip).

U. Hustadt (1994b): ``Do we need the closed-world assumption in knowledge representation?'' In J. Kunze and H. Stoyan, editors, KI-94 Workshops: Extended Abstracts, pp. 123--124. Gesellschaft für Informatik.
Abstract, BibTeX, Postscript (gzip).

U. Hustadt (1994c): ``A multi-modal logic for user modeling''. In B. A. Goodman, editor, Proceedings of the Fourth International Conference on User Modeling UM94 (Hyannis, MA), pp. 87--92. The MITRE Coorporation.
Abstract, BibTeX, Postscript (gzip).

1993
U. Hustadt and A. Nonnengart (1993): ``Modalities in knowledge representation''. In C. Rowles, H. Liu, and N. Foo, editors, Proceedings of the 6th Australian Joint Conference on Artificial Intelligence AI'93 (Melbourne, Australia), pp. 249--254. World Scientific.
Abstract, BibTeX, Postscript (gzip).

U. Hustadt (1993a): ``Automated support for the development of non-classical logics''. In H.-J. Bürckert and W. Nutt, editors, Workshop on Modeling Epistemic Propositions at KI'93 (Berlin, Germany).
Abstract, BibTeX, Postscript (gzip).

U. Hustadt (1993b): ``Abductive disjunctive logic programming''. In P. Codognet, P. M. Dung, A. C. Kakas, P. Mancarella, editors, ICLP'93 Postconference Workshop on Abductive Reasoning (Budapest, Hungary).
Abstract, BibTeX, Postscript (gzip).

1992
U. Hustadt, A. Nonnengart, R. A. Schmidt, and J. Timm (1992): ``MOTEL user manual''. Technical Report MPI-I-92-236, Max-Planck-Institut für Informatik.
Abstract, BibTeX, Postscript (gzip).

Logic and Computation Group at the Department of Computer Science, University of Liverpool
Maintained by Ullrich Hustadt, U.Hustadt@csc.liv.ac.uk, last updated Wednesday, 25-Aug-2010 19:12:22 BST © 1998-2004 by Ullrich Hustadt.