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Publications of Christoph Redl


2017

Christoph Redl.
Conflict-driven ASP Solving with External Sources and Program Splits.
Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence (IJCAI 2017), August 19--25, 2017, Melbourne, Australia.
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Thomas Eiter, Tobias Kaminski, Peter Schüller, Christoph Redl, and Antonius Weinzierl.
Answer Set Programming with External Source Access.
Reasoning Web. Semantic Interoperability on the Web - 13th International Summer School 2017, London, UK, July 7-11, 2017, pages 204-275, Tutorial Lectures.
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Christoph Redl.
Explaining Inconsistency in Answer Set Programs and Extensions.
Proceedings of the Fourteenth International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2017), July 3-6, 2017, Helsinki, Finland.
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Christoph Redl.
Answer Set Programs with Queries over Subprograms.
Proceedings of the Fourteenth International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2017), July 3-6, 2017, Helsinki, Finland.
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Christoph Redl.
On Equivalance and Inconsistency of Answer Set Programs with External Sources.
Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence (AAAI 2017), February 4-9, 2017, San Francisco, California, USA.
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Christoph Redl.
Efficient Evaluation of Answer Set Programs with External Sources Based on External Source Inlining.
Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence (AAAI 2017), February 4-9, 2017, San Francisco, California, USA.
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Christoph Redl.
Extending Answer Set Programs with Interpreted Functions as First-class Citizens.
Proceedings of the Nineteenth International Symposium on Practical Aspects of Declarative Languages (PADL 2017), January 16-17, 2017, Paris, France.
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Jakob Rath and Christoph Redl.
Integrating Answer Set Programming with Procedural Languages.
Proceedings of the Nineteenth International Symposium on Practical Aspects of Declarative Languages (PADL 2017), January 16-17, 2017, Paris, France.
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2016

Christoph Redl.
Automated Benchmarking of KR-Systems.
Proceedings of the Twenty-Third RCRA International Workshop on Experimental Evaluation of Algorithms for Solving Problems with Combinatorial Explosion, November 28, 2016, Genova, Italy.
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Christoph Redl.
The DLVHEX System for Knowledge Representation and Reasoning (System Description).
Theory and Practice of Logic Programming, 16(4-5):866-883, 2016.
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Giovambattista Ianni, Francesco Calimeri, Stefano Germano, Andreas Humenberger, Christoph Redl, Daria Stepanova, Andrea Tucci, and Anton Wimmer.
Angry-HEX: an Artificial Player for Angry Birds Based on Declarative Knowledge Bases.
IEEE Transactions on Computational Intelligence and AI in Games, 8(2):128-139, 2016.
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Thomas Eiter, Michael Fink, Giovambattista Ianni, Thomas Krennwallner, Christoph Redl, and Peter Schüller.
A Model Building Framework for Answer Set Programming with External Computations.
Theory and Practice of Logic Programming, 16(4):418-464, 2016
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Thomas Eiter, Tobias Kaminski, Christoph Redl, and Antonius Weinzierl.
Exploiting Partial Assignments for Efficient Evaluation of Answer Set Programs with External Source Access.
Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence (IJCAI 2016), July 9--15, 2016, New York, New York, USA.
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Thomas Eiter, Christoph Redl, and Peter Schüller.
Problem Solving Using the HEX Family.
In Christoph Beierle, Gerhard Brewka, and Matthias Thimm, editors, Computational Models of Rationality - Essays dedicated to Gabriele Kern-Isberner on the occasion of her 60th birthday, Tributes, pages 150-174. College Publications, January 2016.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
Domain Expansion for ASP-Programs with External Sources.
In Artificial Intelligence, volume 233, pages 84-121, 2016
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Christoph Redl.
The ABC Benchmarking System - User Guide.
Technical Report INFSYS RR-1843-16-01, Institut für Informationssysteme, TU Wien, Favoritenstraße 9-11, A-1040 Vienna, January 2016.
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2015

Thomas Eiter, Christoph Redl, and Peter Schüller.
Problem Solving Using the HEX Family.
Technical Report INFSYS RR-1843-15-07, Institut für Informationssysteme, TU Wien, Favoritenstraße 9-11, A-1040 Vienna, December 2015.
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Thomas Eiter, Mustafa Mehuljic, Christoph Redl, and Peter Schüller.
User Guide: dlvhex 2.X.
Technical Report INFSYS RR-1843-15-05, Institut für Informationssysteme, TU Wien, Favoritenstraße 9-11, A-1040 Vienna, September 2015.
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Alessandro De Rosis, Thomas Eiter, Christoph Redl, and Francesco Ricca.
Constraint Answer Set Programming based on HEX-Programs.
In Eighth Workshop on Answer Set Programming and Other Computing Paradigms (ASPOCP 2015), August 31, 2015, Cork, Ireland, August 2015.
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Thomas Eiter, Michael Fink, Giovambattista Ianni, Thomas Krennwallner, Christoph Redl, and Peter Schüller.
A Model Building Framework for Answer Set Programming with External Computations.
Technical Report INFSYS RR-1843-15-01, Institut für Informationssysteme, TU Wien, Favoritenstraße 9-11, A-1040 Vienna, January 2015.
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2014

Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
Domain Expansion for ASP-Programs with External Sources.
Technical Report INFSYS RR-1843-14-02, Institut für Informationssysteme, TU Wien, Favoritenstraße 9-11, A-1040 Vienna, September 2014.
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Francesco Calimeri, Michael Fink, Stefano Germano, Andreas Humenberger, Giovambattista Ianni, Christoph Redl, Daria Stepanova, and Andrea Tucci.
AngryHEX: an angry birds-playing agent based on HEX-programs.
Poster presentation, Angry Birds Competition 2014.
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Christoph Redl.
Answer Set Programming with External Sources: Algorithms and Efficient Evaluation.
PhD Thesis, Vienna University of Technology, A-1040 Vienna, Karlsplatz 13, April 2014.
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Thomas Eiter, Michael Fink, Christoph Redl, and Daria Stepanova
Exploiting Support Sets for Answer Set Programs with External Evaluations.
In Twenty-Eighth AAAI Conference (AAAI 2014), July 27-31, 2014, Québec City, Québec, Canada, AAAI Press, July 2014.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
HEX-Programs with Existential Quantification.
In Ricardo Rocha, editor, 20th International Conference on Applications of Declarative Programming and Knowledge Management (INAP 2013), Kiel, Germany, September 11-13, 2013. Post proceedings.
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Yi-Dong Shen and Kewen Wang and Jun Deng and Christoph Redl and Thomas Krennwallner and Thomas Eiter, and Michael Fink.
FLP Answer Set Semantics without Circular Justifications for General Logic Programs.
In Artificial Intelligence, volume 213, pages 1-41, May 2014
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Thomas Eiter and Michael Fink and Thomas Krennwallner and Christoph Redl, and Peter Schüller.
Efficient HEX-Program Evaluation Based on Unfounded Sets.
In Journal of Artificial Intelligence Research, volume 49, pages 269-321, February 2014.
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2013

Francesco Calimeri, Michael Fink, Stefano Germano, Giovambattista Ianni, Christoph Redl, and Anton Wimmer.
AngryHEX: An Artificial Player for Angry Birds Based on Declarative Knowledge Bases.
In Hans Tompits, editor, National Workshop and Prize on Popularize Artificial Intelligence (PAI 2013). Turin, Italy, December 2013.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, Christoph Redl, and Peter Schüller.
Improving HEX-Program Evaluation based on Unfounded Sets.
Technical Report INFSYS RR-1843-12-08, Institut für Informationssysteme, TU Wien, Favoritenstraße 9-11, A-1040 Vienna, September 2012.
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Francesco Calimeri, Michael Fink, Stefano Germano, Giovambattista Ianni, Christoph Redl, and Anton Wimmer.
AngryHEX: an angry birds-playing agent based on HEX-programs.
Poster presentation, Angry Birds Competition 2013.
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Thomas Eiter, Thomas Krennwallner, and Christoph Redl.
HEX-Programs with Nested Program Calls.
In Hans Tompits, editor, 19th International Conference on Applications of Declarative Programming and Knowledge Management (INAP 2011), volume 7773 of LNAI, pages 1-10. Springer, October 2013.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
HEX-Programs with Existential Quantification.
In Ricardo Rocha, editor, 20th International Conference on Applications of Declarative Programming and Knowledge Management (INAP 2013), Kiel, Germany, September 11-13, 2013, September 2013.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
Grounding HEX-Programs with Expanding Domains.
In David Pearce, Shahab Tasharrofi, Evgenia Ternovska, and Concepción Vidal, editors, 2nd Workshop on Grounding and Transformations for Theories with Variables (GTTV 2013), Corunna, Spain, September 15, 2013, pages 3-15, September 2013.
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Mario Alviano, Francesco Calimeri, Günther Charwat, Minh Dao-Tran, Carmine Dodaro, Giovambattista Ianni, Thomas Krennwallner, Martin Kronegger, Johannes Oetsch, Andreas Pfandler, Jörg Pührer, Christoph Redl, Francesco Ricca, Patrik Schneider, Martin Schwengerer, Lara Katharina Spendier, Johannes Peter Wallner, and Guohui Xiao.
The Fourth Answer Set Programming Competition: Preliminary Report.
In Pedro Cabalar and Tran Cao Son, editors, 12th International Conference on Logic Programming and Nonmonotonic Reasoning, Corunna, Spain, September 15-19, 2013, volume 8148 of LNCS, pages 42-53. Springer, September 2013.
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Günther Charwat, Giovambattista Ianni, Thomas Krennwallner, Martin Kronegger, Andreas Pfandler, Christoph Redl, Martin Schwengerer, Lara Spendier, Johannes Peter Wallner, and Guohui Xiao.
VCWC: A Versioning Competition Workflow Compiler.
In Pedro Cabalar and Tran Cao Son, editors, 12th International Conference on Logic Programming and Nonmonotonic Reasoning, Corunna, Spain, September 15-19, 2013, volume 8148 of LNCS, pages 233-238. Springer, September 2013.
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Michael Fink, Stefano Germano, Giovambattista Ianni, Christoph Redl, and Peter Schüller.
ActHEX: implementing HEX programs with action atoms.
In Pedro Cabalar and TranCao Son, editors Proceedings of the Twelfth International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2013), September 15-19, 2013, Corunna, Spain, volume 8148 of Lecture Notes in Computer Science, pages 317322. Springer Berlin Heidelberg, 2013. [ bib | paper ]

Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
Liberal Safety for Answer Set Programs with External Sources.
In Marie desJardins and Michael Littman, editors, Twenty-Seventh AAAI Conference (AAAI 2013), July 14-18, 2013, Bellevue, Washington, USA, pages 267-275. AAAI Press, July 2013.
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2012

Thomas Eiter, Michael Fink, Thomas Krennwallner, Christoph Redl, and Peter Schüller.
Exploiting Unfounded Sets for HEX-Program Evaluation.
In Luis Fariñas del Cerro, Andreas Herzig, and Jérôme Mengin, editors, 13th European Conference on Logics in Artificial Intelligence (JELIA 2012), September 26-28, 2012, Toulouse, France, volume 7519 of LNCS, pages 160-175. Springer, September 2012.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, Christoph Redl, and Peter Schüller.
Eliminating Unfounded Set Checking for HEX-Programs.
In Michael Fink and Yuliya Lierler, editors, 5th Workshop on Answer Set Programming and Other Computing Paradigms (ASPOCP 2012), September 4, 2012, Budapest, Hungary, pages 83-97, September 2012.
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Christoph Redl.
Answer Set Programming with External Sources.
In Eighth ICLP Doctoral Consortium, Budapest, Hungary, September 4, 2012, pages 469475.
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Thomas Eiter, Michael Fink, Thomas Krennwallner, and Christoph Redl.
Conflict-driven ASP solving with external sources.
Theory and Practice of Logic Programming: Special Issue 28th International Conference on Logic Programming (ICLP 2012), 12(4-5):659-679, July 2012.
Published online: 05 September 2012.
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2011

Thomas Eiter, Thomas Krennwallner, and Christoph Redl.
Nested HEX-Programs.
In Hans Tompits, editor, 19th International Conference on Applications of Declarative Programming and Knowledge Management (INAP 2011), Vienna, Austria, September 28-30, 2011, number arXiv:1108.5626v1 in arXiv.
Computing Research Repository (CoRR), September 2011.
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Thomas Eiter, Thomas Krennwallner, and Christoph Redl.
Declarative merging of and reasoning about decision diagrams.
In Alessandro Dal Palù, Agostino Dovier, and Andrea Formisano, editors, Workshop on Constraint Based Methods for Bioinformatics (WCB 2011), Perugia, Italy, September 12, 2011, pages 3-15. Dipartimento di Matematica e Informatica, Universita degli Studi di Perugia, September 2011.
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Christoph Redl, Thomas Eiter, and Thomas Krennwallner.
Declarative Belief Set Merging using Merging Plans.
In Ricardo Rocha and John Launchbury, editors, 13th International Symposium on Practical Aspects of Declarative Languages (PADL 2011), Austin, Texas, U.S.A., January 24-25, 2011, volume 6539 of LNCS, pages 99-114. Springer, January 2011.
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2010

Christoph Redl.
Merging of Biomedical Decision Diagrams.
Master's Thesis, Vienna University of Technology, A-1040 Vienna, Karlsplatz 13, October 2010.
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Christoph Redl.
Development of a Belief Merging Framework for dlvhex.
Master's Thesis, Vienna University of Technology, A-1040 Vienna, Karlsplatz 13, July 2010.
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