• Game-Theoretic Agent Programming
  2005 – 2008 / Austrian Science Fund (FWF)

2016

• Generalized Consistent Query Answering under Existential Rules / T. Eiter, T. Lukasiewicz, L. Predoiu / Talk: 15th International Conference on Principles of Knowledge Representation and Reasoning (KR 2016), Kapstadt; 2016-04-25 - 2016-04-29; in: "Proceedings, Fifteenth International Conference on Principles of Knowledge Representation and Reasoning (KR 2016)", J. Delgrande, F. Wolter (ed.); (2016), ISBN: 978-1-57735-755-1; 359 - 368

2015

• From Classical to Consistent Query Answering under Existential Rules / T. Lukasiewicz, M. Martinez, A. Pieris, G. Simari / Talk: 9th Alberto Mendelzon International Workshop on Foundations of Data Management (AMW 2015), Lima, Peru; 2015-05-06 - 2015-05-08; in: "Proceedings of the 9th Alberto Mendelzon International Workshop on Foundations of Data Management, Lima, Peru, May 6 - 8, 2015", CEUR Workshop Proceedings, 1378 (2015), 6 pages
• From Classical to Consistent Query Answering under Existential Rules / T. Lukasiewicz, M. Martinez, A. Pieris, G. Simari / in: "Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence", AAAI Press, 2015, ISBN: 978-1-57735-698-1, 1546 - 1552

2011

• Well-founded semantics for description logic programs in the Semantic Web / T. Eiter, G. Ianni, T. Lukasiewicz, R. Schindlauer / ACM Transactions on Computational Logic, 12 (2011), 2; 1 - 41

2010

• Combining Semantic Web search with the power of inductive reasoning / C. d´Amato, N. Fanizzi, B. Fazzinga, G. Gottlob, T. Lukasiewicz / Talk: International Conference on Scalable Uncertainty Management (SUM), Toulouse, France; 2010-09-27 - 2010-09-29; in: "Proceedings of the 4th International Conference on Scalable Uncertainty Management (SUM 2010)", A. Deshpande, A. Hunter (ed.); Springer LNCS, 6379 (2010), ISBN: 978-3-642-15950-3; 137 - 150
• Datalog+/-: A family of logical knowledge representation and query languages for new applications / A. Cali, G. Gottlob, T. Lukasiewicz, B. Marnette, A. Pieris / Keynote Lecture: Symposium on Logic in Computer Science (LICS), Edinburgh, United Kingdom (invited); 2010-07-11 - 2010-07-14; in: "Proceedings of the 25th Symposium on Logic in Computer Science (LICS 2010)", J.-P. Jouannaud (ed.); IEEE Computer Society, (2010), ISBN: 978-0-7695-4114-3; 228 - 242
• Ontological reasoning with F-Logic Lite and its extensions / A. Cali, G. Gottlob, M. Kifer, T. Lukasiewicz, A. Pieris / Talk: Twenty-Fourth AAAI Conference on Artificial Intelligence, Atlanta, Georgia, USA; 2010-07-11 - 2010-07-15; in: "Proceedings of the 24th National Conference on Artificial Intelligence (AAAI 2010)", M. Fox, D. Poole (ed.); AAAI Press, (2010), ISBN: 978-1-57735-463-5; 1660 - 1665
• Inductive reasoning and Semantic Web search / C. d´Amato, F. Esposito, N. Fanizzi, B. Fazzinga, G. Gottlob, T. Lukasiewicz / Talk: 25th ACM Symposium on Applied Computing (SAC 2010), Sierre, Switzerland; 2010-03-22 - 2010-03-26; in: "Proceedings of the 25th ACM Symposium on Applied Computing (SAC 2010)", S. Shin, S. Ossowski, M. Schumacher, M. Palakal, C. Hung (ed.); ACM, (2010), ISBN: 978-1-60558-638-0; 1446 - 1447
• Semantic Web search based on ontological conjunctive queries / B. Fazzinga, G. Gianforme, G. Gottlob, T. Lukasiewicz / Talk: International Symposium on Foundations of Information and Knowledge Systems (FoIKS), Sofia, Bulgaria; 2010-02-14 - 2010-02-19; in: "Proceedings of the 6th International Symposium on Foundations of Information and Knowledge Systems (FoIKS 2010)", H. Prade, S. Link (ed.); Springer LNCS, 5956 (2010), ISBN: 978-3-642-11828-9; 153 - 172
• Tightly coupled fuzzy description logic programs under the answer set semantics for the Semantic Web / T. Lukasiewicz, U. Straccia / in: "Progressive Concepts for Semantic Web Evolution: Applications and Developments", issued by: Advances in Semantic Web Information Systems; Information Science Reference, 2010, (invited), ISBN: 9781605669922, 237 - 254
• Datalog extensions for tractable query answering over ontologies / A. Cali, G. Gottlob, T. Lukasiewicz / in: "Semantic Web Information Management: A Model-Based Perspective", R. De Virgilio, F. Giunchiglia, L. Tanca (ed.); Springer, Heidelberg, 2010, (invited), ISBN: 978-3-642-04328-4, 249 - 279
• Proceedings of the 6th International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2010) / F. Bobillo, R. Carvalho, P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, T. Martin, N. Nickles, M. Pool / CEUR-Proceedings, Aachen, Vol. 654, 2010, ISSN: 1613-0073; 112 pages
• Proceedings of the 4th International Conference on Web Reasoning and Rule Systems (RR 2010) / P. Hitzler, T. Lukasiewicz / Springer LNCS, Heidelberg, 2010, ISBN: 978-3-642-15917-6
• Proceedings of the 1st International Workshop on Uncertainty in Description Logics (UniDL 2010) / T. Lukasiewicz, R. Penaloza, A. Turhan / CEUR-Proceedings, Aachen, Vol. 613, 2010, ISSN: 1613-0073; 87 pages
• A novel combination of answer set programming with description logics for the Semantic Web / T. Lukasiewicz / IEEE Transactions on Knowledge and Data Engineering, 22 (2010), 11; 1577 - 1592
• Semantic search on the Web / B. Fazzinga, T. Lukasiewicz / Semantic Web, 1 (2010), 1/2; 89 - 96

2009

• Inductive Query Answering and Concept Retrieval Exploiting Local Models / C. d´Amato, N. Fanizzi, F. Esposito, T. Lukasiewicz / Talk: International Conference on Intelligent Systems Design and Applications (ISDA), Pisa, Italy; 2009-11-30 - 2009-12-02; in: "Proceedings of the 9th International Conference on Intelligent Systems Design and Applications (ISDA 2009)", B. Lazzerini, L. Jain, A. Abraham, F. Marcelloni, F. Herrera, V. Loia (ed.); IEEE Computer Society, (2009), 1209 - 1214
• Combining Semantic Web Search with the Power of Inductive Reasoning / C. d´Amato, N. Fanizzi, B. Fazzinga, G. Gottlob, T. Lukasiewicz / Talk: Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Washington DC, USA; 2009-10-26; in: "Proceedings of the Fifth International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2009)", F. Bobillo, P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, T. Martin, N. Nickles, M. Pool, S. Smrz (ed.); CEUR-Proceedings, 527 (2009), ISSN: 1613-0073; 15 - 26
• Uncertainty Reasoning for the Semantic Web / T. Lukasiewicz / Talk: International Conference on Web Reasoning and Rule Systems (RR), Chantilly, Virginia, USA (invited); 2009-10-25 - 2009-10-29; in: "Proceedings of the 3rd International Conference on Web Reasoning and Rule Systems (RR 2009)", A. Polleres, T. Swift (ed.); Springer Lecture Notes in Computer Science, 5837 (2009), ISBN: 978-3-642-05081-7; 26 - 39
• Uncertainty in the Semantic Web / T. Lukasiewicz / Keynote Lecture: International Conference on Scalable Uncertainty Management (SUM), Washington DC, USA (invited); 2009-09-28 - 2009-09-30; in: "Proceedings of the 3rd International Conference on Scalable Uncertainty Management (SUM 2009)", L. Godo, A. Pugliese (ed.); Springer Lecture Notes in Computer Science, 5785 (2009), ISBN: 978-3-642-04387-1; 2 - 11
• Approximate Classification of Semantically Annotated Web Resources Exploiting Pseudo-metrics Induced by Local Models / C. d´Amato, N. Fanizzi, F. Esposito, T. Lukasiewicz / Talk: 2009 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, Mailand, Italien; 2009-09-15 - 2009-09-18; in: "Proceedings of the 2009 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2009)", R. Baeza-Yates, B. Berendt, E. Bertino, E.P. Lim, G. Pasi (ed.); IEEE Computer Society, (2009), ISBN: 978-0-7695-3801-3; 689 - 692
• Combining Boolean Games with the Power of Ontologies for Automated Multi-Attribute Negotiation in the Semantic Web / T. Lukasiewicz, A. Ragone / Talk: IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT), Milan, Italy; 2009-09-15 - 2009-09-18; in: "Proceedings of the 2009 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT 2009)", R. Baeza-Yates, J. Lang, S. Mitra, S. Parsons, G. Pasi (ed.); IEEE, (2009), 395 - 402
• A Combination of Boolean Games with Description Logics for Automated Multi-Attribute Negotiation / T. Lukasiewicz, A. Ragone / Talk: International Workshop on Description Logics (DL), Oxford, UK; 2009-07-27 - 2009-07-30; in: "Proceedings of the 22nd International Workshop on Description Logics (DL 2009)", B. Cuenca Grau, I. Horrocks, B. Motik, U. Sattler (ed.); CEUR workshop proceedings, 477 (2009), ISSN: 1613-0073; 47:1 - 47:12
• Tractable Query Answering over Ontologies with Datalog+- / A. Cali, G. Gottlob, T. Lukasiewicz / Talk: International Workshop on Description Logics (DL), Oxford, UK; 2009-07-27 - 2009-07-30; in: "Proceedings of the 22nd International Workshop on Description Logics (DL 2009)", B. Cuenca Grau, I. Horrocks, B. Motik, U. Sattler (ed.); CEUR workshop proceedings, 477 (2009), ISSN: 1613-0073; 46:1 - 46:12
• A General Datalog-Based Framework for Tractable Query Answering over Ontologies / A. Cali, G. Gottlob, T. Lukasiewicz / Talk: ACM Symposium on Principles of Database Systems (PODS), Providence, Rhode Island, USA; 2009-06-29 - 2009-07-02; in: "Proceedings of the 28th ACM Symposium on Principles of Database Systems (PODS 2009)", J. Paredaens, S. Jianwen (ed.); ACM Press, (2009), ISBN: 978-1-60558-553-6; 77 - 86
• Datalog±: A Unified Approach to Ontologies and Integrity Constraints / A. Cali, G. Gottlob, T. Lukasiewicz / Keynote Lecture: Italian Symposium on Databases (SEBD), Camogli, Italy (invited); 2009-06-21 - 2009-06-24; in: "Proceedings of the 17th Italian Symposium on Advanced Database Systems (SEBD 2009)", V. De Antonellis, S. Castano, B. Catania, G. Guerrini (ed.); Seneca Edizioni, Torino, Italia (2009), ISBN: 978-88-6122-154-3; 5 - 6
• A General Datalog-Based Framework for Tractable Query Answering over Ontologies / A. Cali, G. Gottlob, T. Lukasiewicz / Talk: Italian Symposium on Databases (SEBD), Camogli, Italy; 2009-06-21 - 2009-06-24; in: "Proceedings of the 17th Italian Symposium on Advanced Database Systems (SEBD 2009)", V. De Antonellis, S. Castano, B. Catania, G. Guerrini (ed.); Seneca Edizioni, Torino, Italia (2009), ISBN: 978-88-6122-154-3; 29 - 36
• Datalog±: A Unified Approach to Ontologies and Integrity Constraints / A. Cali, G. Gottlob, T. Lukasiewicz / Keynote Lecture: International Conference on Database Theory (ICDT), Saint-Petersburg, Russia (invited); 2009-03-23 - 2009-03-26; in: "Proceedings of the 12th International Conference on Database Theory (ICDT 2009)", R. Fagin (ed.); ACM International Conference Proceeding Series, 361 (2009), 14 - 30
• Hybrid Reasoning with Rules and Ontologies / W. Drabent, T. Eiter, G. Ianni, T. Krennwallner, T. Lukasiewicz, J. Maluszynski / in: "Semantic Techniques for the Web: The REWERSE Perspective", F. Bry, J. Maluszynski (ed.); Springer, Heidelberg, 2009, (invited), ISBN: 978-3-642-04580-6, 1 - 49
• Proceedings of the Fifth International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2009) / F. Bobillo, P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, T. Martin, N. Nickles, M. Pool, S. Smrz / CEUR-Proceedings, Aachen, Vol. 527, 2009, ISSN: 1613-0073; 88 pages
• Tightly Coupled Probabilistic Description Logic Programs for the Semantic Web / A. Cali, T. Lukasiewicz, L. Predoiu, H. Stuckenschmidt / LNCS Journal on Data Semantics, 12 (2009), 95 - 130
• Reasoning about Actions with Sensing under Qualitative and Probabilistic Uncertainty / L. Iocchi, T. Lukasiewicz, D. Nardi, R. Rosati / ACM Transactions on Computational Logic, 10 (2009), 1
• Description Logic Programs under Probabilistic Uncertainty and Fuzzy Vagueness / T. Lukasiewicz, U. Straccia / International Journal of Approximate Reasoning, 50 (2009), 6; 837 - 853
• Well-Founded Semantics for Description Logic Programs in the Semantic Web / T. Eiter, G. Ianni, T. Lukasiewicz, R. Schindlauer / Report for TU Wien, Institut für Informationssysteme; Report No. INFSYS RR 1843-09-01, 2009; 42 pages

2008

• Combining Boolean Games with the Power of Ontologies for Automated Multi-Attribute Negotiation in the Semantic Web (SMRR) / T. Lukasiewicz, A. Ragone / Talk: International Workshop on Service Matchmaking and Resource Retrieval in the Semantic Web (SMRR), Karlsruhe, Germany; 2008-10-27; in: "Proceedings of the 2nd International Workshop on Service Matchmaking and Resource Retrieval in the Semantic Web (SMRR 2008)", R. Lara Hernandez, T. Di Noia, I. Toma (ed.); CEUR Workshop Proceedings, 416 (2008), ISSN: 1613-0073; Paper ID 5, 15 pages
• Representing Uncertain Concepts in Rough Description Logics via Contextual Indiscernibility Relations / N. Fanizzi, C. d´Amato, F. Esposito, T. Lukasiewicz / Talk: Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Karlsruhe, Germany; 2008-10-26; in: "Proceedings of the 4th International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2008)", F. Bobillo, P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz et al. (ed.); CEUR Workshop Proceedings, 423 (2008), ISSN: 1613-0073; Paper ID 7, 10 pages
• Tractable Reasoning with Bayesian Description Logics / C. d´Amato, N. Fanizzi, T. Lukasiewicz / Talk: International Conference on Scalable Uncertainty Management (SUM), Naples, Italien; 2008-10-01 - 2008-10-03; in: "Proceedings of the 2nd International Conference on Scalable Uncertainty Management (SUM 2008)", S. Greco, T. Lukasiewicz (ed.); Lecture Notes in Computer Science, Springer, 5291 (2008), ISBN: 978-3-540-87992-3; 146 - 159
• Representing Ontology Mappings with Probabilistic Description Logic Programs / A. Cali, T. Lukasiewicz, L. Predoiu, H. Stuckenschmidt / Talk: Italian Symposium on Databases (SEBD), Mondello, Italy; 2008-06-22 - 2008-06-25; in: "Proceedings of the 16th Italian Symposium on Advanced Database Systems (SEBD 2008)", (2008), 438 - 445
• Tightly Integrated Probabilistic Description Logic Programs for Representing Ontology Mappings / A. Cali, T. Lukasiewicz, L. Predoiu, H. Stuckenschmidt / Talk: 5th International Symposium on Foundations of Information and Knowledge Systems (FoIKS'08), Pisa, Italien; 2008-02-11 - 2008-02-15; in: "Proceedings of the 5th International Symposium on Foundations of Information and Knowledge Systems (FoIKS 2008)", S. Hartmann, G. Kern-Isberner (ed.); Springer LNCS, 4932 (2008), ISBN: 978-3-540-77683-3; 178 - 198
• An Approach to Probabilistic Data Integration for the Semantic Web / A. Cali, T. Lukasiewicz / in: "Uncertainty Reasoning for the Semantic Web I, Volume 5327 of Lecture Notes in Computer Science", P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, N. Nickles, M. Pool (ed.); issued by: Springer; Springer LNCS, Berlin / Heidelberg, 2008, ISBN: 978-3-540-89764-4, 52 - 65
• Rule-Based Approaches for Representing Probabilistic Ontology Mappings / A. Cali, T. Lukasiewicz, L. Predoiu, H. Stuckenschmidt / in: "Uncertainty Reasoning for the Semantic Web I, Volume 5327 of Lecture Notes in Computer Science", P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, N. Nickles, M. Pool (ed.); issued by: Springer; Springer LNCS, Berlin / Heidelberg, 2008, ISBN: 978-3-540-89764-4, 66 - 87
• Uncertainty Representation and Reasoning in the Semantic Web / P. da Costa, K.B. Laskey, T. Lukasiewicz / in: "Semantic Web Engineering in the Knowledge Society", J. Cardoso, M. Lytras (ed.); Information Science Reference, 2008, ISBN: 978-1-60566-112-4, 315 - 340
• Proceedings of the 4th International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2008). Volume 423 of CEUR Workshop Proceedings / F. Bobillo, P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, T. Martin, N. Nickles, M. Pool, S. Smrz / CEUR-WS.org, 2008, ISSN: 1613-0073; 145 pages
• Logical Approaches to Imprecise Probabilities. International Journal of Approximate Reasoning, 49(1) / T. Lukasiewicz / Elsevier, 2008, ISSN: 0888-613x; 99 pages
• Uncertainty Reasoning for the Semantic Web I. Volume 5327 of Lecture Notes in Computer Science / P. da Costa, C. d´Amato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, N. Nickles, M. Pool / Springer LNCS, Berlin / Heidelberg, 2008, ISBN: 978-3-540-89764-4; 403 pages
• Proceedings of the 2nd International Conference on Scalable Uncertainty Management (SUM 2008), Springer LNCS 5291 / S. Greco, T. Lukasiewicz / Springer, LNCS, Heidelberg, 2008, ISSN: 0302-9743; 401 pages
• Using Search Strategies and a Description Logic Paradigm with Conditional Preferences for Literature Search / J. Schellhase, T. Lukasiewicz / International Journal of Metadata, Semantics and Ontologies, 3 (2008), 1; 68 - 83
• Fuzzy Description Logic Programs under the Answer Set Semantics for the Semantic Web / T. Lukasiewicz / Fundamenta Informaticae, 82 (2008), 3; 289 - 310
• Tightly Coupled Fuzzy Description Logic Programs under the Answer Set Semantics for the Semantic Web / T. Lukasiewicz, U. Straccia / International Journal on Semantic Web and Information Systems, 4 (2008), 3; 68 - 89
• Expressive Probabilistic Description Logics / T. Lukasiewicz / Artificial Intelligence, 172 (2008), 6-7; 852 - 883
• Combining Answer Set Programming with Description Logics for the Semantic Web / T. Eiter, G. Ianni, T. Lukasiewicz, R. Schindlauer, H. Tompits / Artificial Intelligence, 172 (2008), 12-13; 1495 - 1593
• Probabilistic Description Logic Programs under Inheritance with Overriding for the Semantic Web / T. Lukasiewicz / International Journal of Approximate Reasoning, 49(1), 18-34 (2008), 1; 18 - 34
• Managing Uncertainty and Vagueness in Description Logics for the Semantic Web / T. Lukasiewicz, U. Straccia / Journal of Web Semantics, 6 (2008), 4; 291 - 308
• From Web Search to Semantic Web Search / B. Fazzinga, G. Gianforme, G. Gottlob, T. Lukasiewicz / Report for TU Wien. Institut für Informationssysteme 184/3, Abteilung für Wissensbasierte Systeme; Report No. INFSYS RR-1843-08-11, 2008; 27 pages
• "Combining Boolean Games with the Power of Ontologies for Automated Multi-Attribute Negotiation in the Semantic Web / T. Lukasiewicz, A. Ragone / Report for TU Wien. Institut für Informationssysteme 184/3, Abteilung für Wissensbasierte Systeme; Report No. INFSYS RR-1843-08-08, 2008; 20 pages
• Adaptive Game-Theoretic Agent Programming in Golog / A. Finzi, T. Lukasiewicz / Report for TU Wien. Institut für Informationssysteme 184/3, Abteilung für Wissensbasierte Systeme; Report No. INFSYS RR-1843-08-07, 2008; 40 pages
• Team Programming in Golog under Partial Observability / A. Farinelli, A. Finzi, T. Lukasiewicz / Report for TU Wien. Institut für Informationssysteme 184/3, Abteilung für Wissensbasierte Systeme; Report No. INFSYS RR-1843-08-04, 2008; 21 pages

2007

• A Framework for Representing Ontology Mappings under Probabilities and Inconsistency / A. Cali, T. Lukasiewicz, L. Prodoiu, H. Stuckenschmidt / Talk: Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Busan, Korea; 2007-11-12; in: "Proceedings of the ISWC-2007 Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2007)", F. Bobillo, P. Costa, C. d´Amato, N. Fanizzi, F. Fung, T. Lukasiewicz, T. Martin et al. (ed.); CEUR Workshop Proceedings, (2007)
• Description Logic Programs under Probabilistic Uncertainty and Fuzzy Vagueness / T. Lukasiewicz, U. Straccia / Talk: European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU), Hammamet, Tunisia; 2007-10-31 - 2007-11-02; in: "Proceedings of the 9th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU 2007)", K. Mellouli (ed.); Springer Lecture Notes in Computer Science, 4724 (2007), ISBN: 978-3540752554; 187 - 198
• Top-k Retrieval in Description Logic Programs under Vagueness for the Semantic Web / T. Lukasiewicz, U. Straccia / Talk: International Conference on Scalable Uncertainty Management (SUM), Washington DC, USA; 2007-10-10 - 2007-10-12; in: "Proceedings of the 1st International Conference on Scalable Uncertainty Management (SUM 2007)", H. Prade, V. Subrahmanian (ed.); Springer Lecture Notes in Computer Science, 4772 (2007), ISBN: 978-3-540-75407-7; 16 - 30
• Tractable Probabilistic Description Logic Programs / T. Lukasiewicz / Talk: International Conference on Scalable Uncertainty Management (SUM), Washington DC, USA; 2007-10-10 - 2007-10-12; in: "Proceedings of the 1st International Conference on Scalable Uncertainty Management (SUM 2007)", H. Prade, V. Subrahmanian (ed.); Springer Lecture Notes in Artificial Intelligence, 4772 (2007), ISBN: 978-3-540-75407-7; 143 - 156
• Tightly Integrated Probabilistic Description Logic Programs for the Semantic Web / A. Cali, T. Lukasiewicz / Poster: International Conference on Logic Programming (ICLP), Porto, Portugal; 2007-09-08 - 2007-09-13; in: "Proceedings of the 23rd International Conference on Logic Programming (ICLP 2007)", V. Dahl, I. Niemelä (ed.); Springer Lecture Notes in Computer Science, 4670 (2007), ISBN: 978-3-540-74608-9; 428 - 429
• Tutorial on Managing Uncertainty and Vagueness in Semantic Web Languages / T. Lukasiewicz, U. Straccia / Talk: National Conference on Artificial Intelligence (AAAI), Vancouver, British Columbia, Canada; 2007-07-22 - 2007-07-26
• Tightly Integrated Fuzzy Description Logic Programs under the Answer Set Semantics for the Semantic Web / T. Lukasiewicz, U. Straccia / Talk: International Conference on Web Reasoning and Rule Systems (RR), Innsbruck, Austria; 2007-06-07 - 2007-06-08; in: "Proceedings of the 1st International Conference on Web Reasoning and Rule Systems (RR 2007)", M. Marchiori, J. Z. Pan, C. de Sainte Marie (ed.); Springer Lecture Notes in Computer Science, 4524 (2007), ISBN: 978-3-540-72981-5; 289 - 298
• A Novel Combination of Answer Set Programming with Description Logics for the Semantic Web / T. Lukasiewicz / Talk: 4th European Semantic Web Conference (ESWC 2007), Innsbruck, Austria; 2007-06-03 - 2007-06-07; in: "Proceedings of the 4th European Semantic Web Conference (ESWC 2007)", E. Franconi, M. Kifer, W. May (ed.); Springer Lecture Notes in Computer Science, 4519 (2007), ISBN: 978-3-540-72666-1; 384 - 398
• Tutorial on Managing Uncertainty and Vagueness in Semantic Web Languages / T. Lukasiewicz, U. Straccia / Talk: 4th European Semantic Web Conference (ESWC 2007), Innsbruck, Austria; 2007-06-03 - 2007-06-07
• Team Programming in Golog under Partial Observability / A. Farinelli, A. Finzi, T. Lukasiewicz / Poster: International Joint Conference on Artificial Intelligence (IJCAI), Hyderabad, India; 2007-01-06 - 2007-01-12; in: "Proceedings of the 20th International Joint Conference on Artificial Intelligence (IJCAI 2007)", M. Veloso (ed.); AAAI Press/IJCAI, (2007), 2097 - 2102
• Special Issue on Imprecise Probabilities, International Journal of Approximate Reasoning 44 (3). / A. Cano, F. Cozman, T. Lukasiewicz / Elsevier Science Publishers, Amsterdam, The Netherlands, 2007, ISSN: 0888-613x; 190 pages
• Proceedings of the ISWC-2007 Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2007). / F. Bobillo, P. Costa, N. Fanizzi, F. Fung, T. Lukasiewicz, T. Martin, N. Nickles, Y. Peng, M. Pool, S. Smrz, P. Vojt / CEUR-Proceedings, 2007, ISSN: 1613-0073; 137 pages
• Variable-Strength Conditional Preferences for Ranking Objects in Ontologies / T. Lukasiewicz, J. Schellhase / Journal of Web Semantics, 5 (2007), 3; 180 - 194
• Probabilistic Description Logic Programs / T. Lukasiewicz / International Journal of Approximate Reasoning, 45 (2007), 2; 288 - 307
• Nonmonotonic Probabilistic Logics under Variable-Strength Inheritance with Overriding: Complexity, Algorithms, and Implementation. / T. Lukasiewicz / International Journal of Approximate Reasoning, 44 (2007), 3; 301 - 321
• Uncertainty and Vagueness in Description Logic Programs for the Semantic Web / T. Lukasiewicz, U. Straccia / Report for TU Wien, Institut für Informationssysteme; Report No. INFSYS RR 1843-07-02, 2007; 21 pages
• Tightly Integrated Fuzzy Description Logic Programs under the Answer Set Semantics for the Semantic Web / T. Lukasiewicz, U. Straccia / Report for TU Wien, Institut für Informationssysteme; Report No. INFSYS RR 1843-07-03, 2007; 19 pages
• Combining Answer Set Programming with Description Logics for the Semantic Web / T. Eiter, G. Ianni, T. Lukasiewicz, R. Schindlauer, H. Tompits / Report for TU Wien, Institut für Informationssysteme; Report No. INFSYS RR-1843-07-04, 2007; 66 pages
• Tightly Integrated Probabilistic Description Logic Programs. / A. Cali, T. Lukasiewicz / Report for TU Wien, Institut für Informationssysteme; Report No. INFSYS RR-1843-07-05, 2007; 20 pages
• Variable-Strength Conditional Preferences for Ranking Objects in Ontologies / T. Lukasiewicz, J. Schellhase / Report for TU Wien, Institut für Informationssysteme; Report No. INFSYS RR-1843-07-06, 2007; 32 pages

2006

• Fuzzy Description Logic Programs under the Answer Set Semantics for the Semantic Web / T. Lukasiewicz / Talk: International Conference on Rules and Rule Markup Languages for the Semantic Web (RuleML), Athens, Georgia, USA; 2006-11-10 - 2006-11-11; in: "Proceedings of the 2nd International Conference on Rules and Rule Markup Languages for the Semantic Web (RuleML 2006)", T. Eiter, E. Franconi, R. Hodgson, S. Stephens (ed.); IEEE Computer Society, (2006), ISBN: 0-7695-2652-7; 89 - 96
• Preferences, Links, and Probabilities for Ranking Objects in Ontologies / T. Lukasiewicz, J. Schellhase / Talk: Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Athens, Georgia, USA; 2006-11-05; in: "Proceedings of the ISWC-2006 Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2006)", P. da Costa, K.B. Laskey, K.J. Laskey, F. Fung, M. Pool (ed.); CEUR Workshop Proceedings, 218 (2006), 65 - 66
• An Approach to Probabilistic Data Integration for the Semantic Web / A. Cali, T. Lukasiewicz / Talk: Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Athens, Georgia, USA; 2006-11-05; in: "Proceedings of the ISWC-2006 Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2006)", P. da Costa, K.B. Laskey, K.J. Laskey, F. Fung, M. Pool (ed.); CEUR Workshop Proceedings, 218 (2006), 67 - 68
• Adaptive Multi-Agent Programming in GTGolog / A. Finzi, T. Lukasiewicz / Poster: European Conference on Artificial Intelligence, Riva del Garda, Italy; 2006-08-28 - 2006-09-01; in: "Proceedings of the 17th biennial European Conference on Artificial Intelligence (ECAI 2006)", G. Brewka, S. Coradeschi, A. Perini, P. Traverso (ed.); IOS Press, (2006), ISBN: 1-58603-642-4; 753 - 754
• Game-Theoretic Agent Programming in Golog under Partial Observability / A. Finzi, T. Lukasiewicz / Talk: Annual German Conference on Artificial Intelligence (KI), Bremen, Germany; 2006-06-14 - 2006-06-17; in: "Proceedings of the 29th Annual German Conference on Artificial Intelligence (KI 2006), Bremen, Germany, June 2006.", C. Freksa, M. Kohlhase, K. Schill (ed.); Lecture Notes in Computer Science, Springer., 4314 (2006), ISBN: 3-540-69911-2; 113 - 127
• Adaptive Multi-Agent Programming in GTGolog / A. Finzi, T. Lukasiewicz / Talk: Annual German Conference on Artificial Intelligence (KI), Bremen, Germany; 2006-06-14 - 2006-06-17; in: "Proceedings of the 29th Annual German Conference on Artificial Intelligence (KI 2006), Bremen, Germany, June 2006.", C. Freksa, M. Kohlhase, K. Schill (ed.); Lecture Notes in Computer Science. Springer., 4314 (2006), ISBN: 3-540-69911-2; 389 - 403
• Variable-Strength Conditional Preferences for Ranking Objects in Ontologies / T. Lukasiewicz, J. Schellhase / Talk: 3rd European Semantic Web Conference (ESWC 2006), Budva, Montenegro; 2006-06-11 - 2006-06-14; in: "Proceedings of the 3rd European Semantic Web Conference (ESWC 2006), Budva, Montenegro, June 2006", Y. Sure, J. Domingue (ed.); Lecture Notes in Computer Science. Springer., 4011 (2006), ISBN: 3-540-34544-2; 288 - 302
• Variable-Strength Conditional Preferences for Matchmaking in Description Logics / T. Lukasiewicz, J. Schellhase / Talk: Principles of Knowledge Representation and Reasoning (KR), Lake District, UK; 2006-06-02 - 2006-06-05; in: "Proceedings of the 10th International Conference on Principles of Knowledge Representation and Reasoning (KR 2006), Lake District, UK, June 2006.", P. Doherty, J. Mylopoulos, C. Welty (ed.); AAAI Press, (2006), ISBN: 978-1-57735-271-6; 164 - 174
• Causes and Explanations in the Structural-Model Approach: Tractable Cases / T. Eiter, T. Lukasiewicz / Artificial Intelligence, 170 (2006), 6-7; 542 - 580
• Probabilistic Description Logic Programs / T. Lukasiewicz / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-06-04; Report No. INFSYS RR-1843-06-04, 2006; 22 pages
• A novel combination of answer set programming with description logics for the Semantic Web / T. Lukasiewicz / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-06-08; Report No. INFSYS RR-1843-06-08, 2006; 19 pages
• An Overview of Uncertainty and Vagueness in Description Logics for the Semantic Web / T. Lukasiewicz, U. Straccia / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-06-07; Report No. INFSYS RR-1843-06-07, 2006; 34 pages
• Probabilistic Description Logics for the Semantic Web / T. Lukasiewicz / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-06-05; Report No. INFSYS RR-1843-06-05, 2006; 32 pages

2005

• Stratified Probabilistic Description Logic Programs / T. Lukasiewicz / Talk: Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Galway, Ireland; 2005-11-07 - 2005-11-07; in: "Proceedings of the ISWC-2005 Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2005)", P. da Costa, K.B. Laskey, K.J. Laskey (ed.); (2005), 87 - 97
• Game-Theoretic Reasoning About Actions in Nonmonotonic Causal Theories / A. Finzi, T. Lukasiewicz / Talk: International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR), Diamante, Italy; 2005-09-05 - 2005-09-08; in: "Proceedings of the 8th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2005)", C. Baral, G. Greco, N. Leone et al. (ed.); Springer, LNCS 3662 (2005), ISBN: 3-540-28538-5; 185 - 197
• Game-Theoretic Agent Programming in Golog under Partial Observability / A. Finzi, T. Lukasiewicz / Talk: Workshop on Game Theoretic and Decision Theoretic Agents (GTDT), Edinburgh, Scotland; 2005-07-31 - 2005-07-31; in: "Working Notes of IJCAI-05 Workshop on Game Theoretic and Decision Theoretic Agents (GTDT 2005)", P. Gmytrasiewicz, S. Parsons (ed.); (2005)
• Game-Theoretic Golog under Partial Observability / A. Finzi, T. Lukasiewicz / Talk: International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS), Utrecht, The Netherlands; 2005-07-25 - 2005-07-29; in: "Proceedings of the 4th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS 2005)", F. Dignum, V. Dignum, S. Koenig, S. Kraus et al. (ed.); ACM Press, (2005), ISBN: 1-59593-094-9; 1301 - 1302
• Nonmonotonic Probabilistic Logics under Variable-Strength Inheritance with Overriding: Algorithms and Implementation in NMPROBLOG / T. Lukasiewicz / Talk: International Symposium on Imprecise Probabilities and Their Applications (ISIPTA), Pittsburgh, Pennsylvania, USA; 2005-07-20 - 2005-07-23; in: "Proceedings of the 4th International Symposium on Imprecise Probabilities and Their Applications (ISIPTA 2005)", CMU, (2005), 230 - 239
• Probabilistic Description Logic Programs / T. Lukasiewicz / Talk: European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU), Barcelona, Spain; 2005-07-06 - 2005-07-08; in: "Proceedings of the 8th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty (ECSQARU 2005)", L. Godo (ed.); Springer, LNAI 3571 (2005), ISBN: 3-540-27326-3; 737 - 749
• Weak Nonmonotonic Probabilistic Logics / T. Lukasiewicz / Artificial Intelligence, 168 (2005), 1-2; 119 - 161
• Nonmonotonic Probabilistic Reasoning under Variable-Strength Inheritance with Overriding / T. Lukasiewicz / Synthese, 146 (2005), 1-2; 153 - 169
• Probabilistic Logic under Coherence: Complexity and Algorithms / V. Biazzo, A. Gilio, T. Lukasiewicz, G. Sanfilippo / Annals of Mathematics and Artificial Intelligence, Online First (2005), Online First
• Variable-Strength Conditional Preferences for Matchmaking in Description Logics / T. Lukasiewicz, J. Schellhase / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-05-11; 2005
• Nonmonotonic Probabilistic Logics under Variable-Strength Inheritance with Overriding: Algorithms and Implementation in NMPROBLOG / T. Lukasiewicz / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-05-03; 2005; 23 pages
• Game-Theoretic Reasoning about Actions in Nonmonotonic Causal Theories / A. Finzi, T. Lukasiewicz / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-05-04; 2005; 15 pages
• Game-Theoretic Golog under Partial Observability / A. Finzi, T. Lukasiewicz / Report for TU Wien, Institut fuer Informationssysteme, INFSYS RR-1843-05-02; 2005; 17 pages

2004

• Well-founded Semantics for Description Logic Programs in the Semantic Web / T. Eiter, T. Lukasiewicz, R. Schindlauer, H. Tompits / Talk: Rules and Rule Markup Languages for the Semantic Web, Hiroshima, Japan; 2004-11-08; in: "Rules and Rule Markup Languages for the Semantic Web: Third International Workshop, RuleML 2004", G. Antoniou, H. Boley (ed.); Springer, LNCS 3323 (2004), ISBN: 3-540-23842-5; 81 - 97
• Combining Answer Set Programming with Description Logics for the Semantic Web / T. Eiter, T. Lukasiewicz, R. Schindlauer, H. Tompits / Talk: Principles of Knowledge Representation and Reasoning (KR), Whistler, BC, Canada; 2004-06-02 - 2004-06-05; in: "Principles of Knowledge Representation and Reasoning, Proceedings of the Ninth International Conference", D. Dubois, C. Welty, M.-A. Williams (ed.); AAAI Press, (2004), ISBN: 1-57735-201-7; 141 - 151
• Complexity Results for Explanations in the Structural-Model Approach / T. Eiter, T. Lukasiewicz / Artificial Intelligence, 154 (2004), 1-2; 145 - 198
• Game-Theoretic Agent Programming in Golog / A. Finzi, T. Lukasiewicz / 2004

2003

• Probabilistic Reasoning about Actions in Nonmonotonic Causal Theories / T. Eiter, T. Lukasiewicz / in: "Proceedings Nineteenth Conference on Uncertainty in Artificial Intelligence (UAI-2003)", Morgan Kaufmann Publishers, San Francisco, CA, USA, 2003, ISBN: 0-127-05664-5, 192 - 199
• Combining Answer Set Programming with Description Logics for the Semantic Web / T. Eiter, T. Lukasiewicz, R. Schindlauer, H. Tompits / 2003

2002

• Causes and Explanations in the Structural-Model Approach: Tractable Cases / T. Eiter, T. Lukasiewicz / Talk: Conference on Uncertainty in Artificial Intelligence (UAI), Edmonton, Alberta, Canada; 2002-08-01 - 2002-08-04; in: "Proceedings Eighteenth Conference on Uncertainty in Artificial Intelligence (UAI-2002)", A. Darwiche, N. Friedman (ed.); Morgan Kaufmann, (2002), 146 - 153
• Complexity Results for Explanations in the Structural-Model Approach / T. Eiter, T. Lukasiewicz / Talk: Principles of Knowledge Representation and Reasoning (KR), Toulouse, France; 2002-04-22 - 2002-04-25; in: "Proceedings Eighth International Conference on Principles of Knowledge Representation and Reasoning (KR-02)", D. Fensel et al. (ed.); Morgan Kaufmann, (2002), ISBN: 1-55860-847-8; 49 - 60
• Complexity Results for Structure-Based Causality / T. Eiter, T. Lukasiewicz / Artificial Intelligence, 142 (2002), 1; 53 - 89
• Causes and Explanations in the Structural-Model Approach: Tractable Cases (INFSYS RR-1843-02-03) / T. Eiter, T. Lukasiewicz / Report for Institut f. Informationssysteme; 2002