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== Projects ==
 
== Projects ==
 +
 +
* 2010 - 2011 ``Representation of incomplete, evolving and distributed knowledge (in a cooperation with a communication platform)''
  
 
* (Jan 2006--Dec 2008) ''Dynamic aspects of knowledge representation -- from theoretical foundations to applications.'' Project no. VEGA 1/31/2006 awarded by Slovak Ministry of Education and Slovak Academy od Sciences. The project is focused on semantic problems of logic program updates, prioritized logic programming, distributed description logics. We are aiming also at applications of the fields of our theoretical interests to representation of the world of compuiter games, to multi-agent systems and to the legal reasoning.
 
* (Jan 2006--Dec 2008) ''Dynamic aspects of knowledge representation -- from theoretical foundations to applications.'' Project no. VEGA 1/31/2006 awarded by Slovak Ministry of Education and Slovak Academy od Sciences. The project is focused on semantic problems of logic program updates, prioritized logic programming, distributed description logics. We are aiming also at applications of the fields of our theoretical interests to representation of the world of compuiter games, to multi-agent systems and to the legal reasoning.
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== Selected Recent Publications ==
 
== Selected Recent Publications ==
 +
 +
=== 2010, 2011 ===
 +
 +
==== Communication platform ====
 +
 +
* [http://breakk.no-ip.org/files/publications/wikt2011_submission_29.pdf M. Čertický, J Šiška, M. Vince. LCP: A Lightweight Communication Platform for Heterogenous Multi-context Systems.] In Proceedings of 6th Workshop on Intelligent and Knowledge oriented Technologies (WIKT'11), 2011.
 +
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* [http://breakk.no-ip.org/files/publications/Lightweight-Communication-Platform-for-heterogenous-MCS.pdf V. Dziuban, M. Čertický, J. Šiška, M. Vince. A Lightweight Agent Communication Platform for Heterogeneous Multi-context Systems: A Preliminary Report.] In proceedings of 11th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR-11), Log-IC workshop.
 +
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* [http://breakk.no-ip.org/files/publications/svk-2011-paper.pdf M. Vince, M. Čertický, V. Dziuban Decentralized Lightweight Communication Platform for Heterogeneous Multi-context Systems.] Student Research Conference 2011.
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 +
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==== Sémantic web, multi-context systems ====
 +
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* Luciano Serafini and Martin Homola: [http://ii.fmph.uniba.sk/~homola/papers/swim2010.pdf Modular Knowledge Representation and Reasoning in the Semantic Web]. In: R. De Virgilio, F. Giunchiglia, and L. Tanca (eds.), Semantic Web Information Management: A Model-Based Perspective. Springer, 2010.
 +
 +
* Martin Homola and Luciano Serafini: [http://ii.fmph.uniba.sk/~homola/papers/aai2010.pdf Augmenting Subsumption Propagation in Distributed Description Logics]. Applied Artificial Intelligence. 24(1-2):137-174. Taylor and Francis, 2010.
 +
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* Martin Homola and Luciano Serafini: [http://ii.fmph.uniba.sk/~homola/papers/dl2010.pdf Towards Formal Comparison of Ontology Linking, Mapping and Importing]. In: Procs. of the 23rd International Workshop on Description Logics (DL2010). CEUR-WS, vol. 573, 2010.
 +
 +
* Juraj Frank, Vladimír Dziuban, and Martin Homola. [http://ii.fmph.uniba.sk/~homola/papers/uikv2010.pdf Sémantický web: niektoré aktuálne výzvy]. In: V. Kvasnička, J. Pospíchal, P. Návrat, P. Lacko, and P. Trebatický (eds.), Umelá inteligencia a kognitívna veda II. Vydavateľstvo STU, 2010.
 +
 +
* Martin Homola, Andrei Tamilin, and Luciano Serafini. [http://ii.fmph.uniba.sk/~homola/papers/ciao2010.pdf Modeling Contextualized Knowledge]. In: Procs. of the 2nd Workshop on Context, Information and Ontologies. CEUR-WS, vol. 626, 2010.
 +
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* Luciano Serafini and Martin Homola. [http://ii.fmph.uniba.sk/~homola/papers/dl2011.pdf Contextual Representation and Reasoning with Description Logics]. In: Procs. of the 24th International Workshop on Description Logics (DL 2011). CEUR-WS, vol. 745, 2011.
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* Luciano Serafini and Martin Homola. [http://ii.fmph.uniba.sk/~homola/papers/jws2012.pdf Contextualized Knowledge Repositories for the Semantic Web]. Journal of Web Semantics, Special Issue: Reasoning with Context in the Semantic Web. To Appear. Elsevier, 2012. Preprint available: http://dx.doi.org/10.1016/j.websem.2011.12.003 .
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* [https://www.dai.fmph.uniba.sk/~frtus/wikt2011.pdf Jozef Frtús, Martin Baláž: Defeasible Logic Programs in Multi-Context Systems. WIKT 2011]
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==== Representation formalisms, comparisons, applications ====
 +
 +
===== argumentation frameworks  =====
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* [http://www.ii.fmph.uniba.sk/~sefranek/online/paper8.WLP11.pdf Monika Adamová, Ján Šefránek: Transfer of argumentation semantics to logic programming. WLP 2011]
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* [http://www.ii.fmph.uniba.sk/~sefranek/online/znalosti2011.pdf Jozef Frtús, Ján Šefránek: Riešenie konfliktov vo vyvrátiteľnom a dynamickom logickom programe, In Proceedings of Znalosti 2011, CEUR Workshop Proceedings Vol-802]
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* [https://www.dai.fmph.uniba.sk/~frtus/wikt2011.pdf Jozef Frtús, Martin Baláž: Defeasible Logic Programs in Multi-Context Systems. WIKT 2011]
 +
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===== modularity =====
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* [http://ceur-ws.org/Vol-802/paper3.pdf Jozef Šiška: Declarative Description of Module Dependencies in Logic Programming, In Proceedings of Znalosti 2011, CEUR Workshop Proceedings Vol-802, http://ceur-ws.org/Vol-802/]
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===== preferences =====
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* [http://www.ii.fmph.uniba.sk/~sefranek/online/paper9.WLP11.pdf Ján Šefránek, Alexander Šimko: Warranted derivation of preferred answer sets. WLP 2011]
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* [http://www.dai.fmph.uniba.sk/~simko/papers/svk2011.pdf Alexander Šimko: Preferred answer sets - banned generating set approach]. Študentská vedecká konferencia FMFI UK, Bratislava 2011 : Zborník príspevkov, Bratislava : Fakulta matematiky, fyziky a informatiky UK, 2011 S. 326-333
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* [http://www.dai.fmph.uniba.sk/~simko/papers/iclp2011.pdf Alexander Šimko: Accepting the natural order of rules in a logic program with preferences]. Technical Communications of the 27th International Conference on Logic Programming, Schloss Dagstuhl : Leibniz-Center for Informatics, 2011 S. 284-288
 +
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* [http://www.dai.fmph.uniba.sk/~simko/papers/wikt2011.pdf Alexander Šimko: Detection of Irrelevant Preferences in Logic programs]. 6th Workshop on Intelligent and Knowledge oriented Technologies, 2011 S. 51-56
 +
 +
===== updates =====
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* [http://www.ii.fmph.uniba.sk/~sefranek/online/camMIC.pdf Ján Šefránek: Static and dynamic semantics, Preliminary report MICAI 2011. Special sesssion]
 +
 +
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===== planning, action descriptions, action learning =====
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 +
* [http://breakk.no-ip.org/files/publications/wikt2011_submission_1.pdf M. Čertický. Decomposition Trick for Planning with Answer Set Semantics.] In Proceedings of 6th Workshop on Intelligent and Knowledge oriented Technologies (WIKT'11), 2011.
 +
 +
* [http://breakk.no-ip.org/files/publications/Enhancing-ASP-based-Planning-by-Heuristic-Graph-search-Techniques.pdf M. Čertický. Enhancing ASP-based Planning by Heuristic Graph-search Techniques.] Technical Reports, Comenius University, Bratislava, 2011.
 +
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* [http://breakk.no-ip.org/files/publications/kuz_2010_ik-strips.pdf M. Čertický. Planning on Symbolic World Models with Stable-model Semantics.] Cognition and Artificial Life X Proceedings, 2010.
 +
 +
* [http://breakk.no-ip.org/files/publications/svk_2010_proceedings.pdf M. Čertický. Fluent-free Action Representation with IK-STRIPS Planning Formalism.] Student Research Conference 2010.
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 +
* [http://breakk.no-ip.org/files/publications/ik-strips-report.pdf M. Čertický IK-STRIPS Formalism for Fluent-free Planning with Incomplete Knowledge.] Technical Reports, Comenius University, Bratislava, 2010.
 +
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* M. Čertický. [http://breakk.no-ip.org/files/publications/icas2012.pdf Action Learning with Reactive Answer Set Programming: Preliminary Report], Accepted to The Eighth International Conference on Autonomic and Autonomous Systems (ICAS 2012).
 +
 +
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===2008===
 
===2008===
 
* Sefranek, J.: [http://ii.fmph.uniba.sk/~sefranek/online/sefranekNMR08.pdf Preferred answer sets supported by arguments]. In Proc. of the Twelfth International Workshop on Non-Monotonic Reasoning (NMR-2008), Sydney, Australia, 2008.
 
* Sefranek, J.: [http://ii.fmph.uniba.sk/~sefranek/online/sefranekNMR08.pdf Preferred answer sets supported by arguments]. In Proc. of the Twelfth International Workshop on Non-Monotonic Reasoning (NMR-2008), Sydney, Australia, 2008.

Revision as of 17:06, 19 April 2012

Kr.png
The KR research group at DAI, chaired by Ján Šefránek, is concerned with (mostly theoretical) research in Knowledge Representation and Reasoning (KR&R).


Group Focus

Our main interests within KR&R include:

  • Non-monotonic logics and non-monotonic reasoning
  • Knowledge revision
  • Answer set programming
  • Dynamic logic programming
  • Semantic Web
  • Ontologies


Group Members


Activities

KR Group organizes irregular sessions of the KR Seminar where the group members and sometimes invited speakers present latest advances in their research.


Projects

  • 2010 - 2011 ``Representation of incomplete, evolving and distributed knowledge (in a cooperation with a communication platform)
  • (Jan 2006--Dec 2008) Dynamic aspects of knowledge representation -- from theoretical foundations to applications. Project no. VEGA 1/31/2006 awarded by Slovak Ministry of Education and Slovak Academy od Sciences. The project is focused on semantic problems of logic program updates, prioritized logic programming, distributed description logics. We are aiming also at applications of the fields of our theoretical interests to representation of the world of compuiter games, to multi-agent systems and to the legal reasoning.
  • (May 2008--Dec 2008) Surveying and improving semantic properties of distributed ontologies. Project no. UK/365/2008 awarded by Comenius University. Narrowly focused project aiming at comparing different existing formalisms for representing distributed ontologies.
  • (Aug 2005--Oct 2007) An environment for specification of multiagent systems. Project. no. APVV-20-P04805 awarded by Slovak Research and Development Agency. The goal of the project has been to propose a logic-based approach to multi-agent systems specification as an alternative to the environments based on the imperative programming paradigm. Agent's capability of reasoning with incomplete and evolving knowledge has been emphasized.

Selected Recent Publications

2010, 2011

Communication platform


Sémantic web, multi-context systems

  • Juraj Frank, Vladimír Dziuban, and Martin Homola. Sémantický web: niektoré aktuálne výzvy. In: V. Kvasnička, J. Pospíchal, P. Návrat, P. Lacko, and P. Trebatický (eds.), Umelá inteligencia a kognitívna veda II. Vydavateľstvo STU, 2010.
  • Martin Homola, Andrei Tamilin, and Luciano Serafini. Modeling Contextualized Knowledge. In: Procs. of the 2nd Workshop on Context, Information and Ontologies. CEUR-WS, vol. 626, 2010.


Representation formalisms, comparisons, applications

argumentation frameworks
modularity


preferences
updates


planning, action descriptions, action learning



2008

2007

2006