4 Search Results for "Niemelä, Ilkka"

Document
DOI: 10.4230/DagSemProc.05171.1
05171 Abstracts Collection – Nonmonotonic Reasoning, Answer Set Programming and Constraints

Authors: Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, Miroslaw Truszczynski, and Joost Vennekens

Published in: Dagstuhl Seminar Proceedings, Volume 5171, Nonmonotonic Reasoning, Answer Set Programming and Constraints (2005)

Abstract
From 24.04.05 to 29.04.05, the Dagstuhl Seminar 05171 ``Nonmonotonic Reasoning, Answer Set Programming and Constraints'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, Miroslaw Truszczynski, and Joost Vennekens. 05171 Abstracts Collection – Nonmonotonic Reasoning, Answer Set Programming and Constraints. In Nonmonotonic Reasoning, Answer Set Programming and Constraints. Dagstuhl Seminar Proceedings, Volume 5171, pp. 1-23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)

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@InProceedings{brewka_et_al:DagSemProc.05171.1,
  author =	{Brewka, Gerhard and Niemel\"{a}, Ilkka and Schaub, Torsten and Truszczynski, Miroslaw and Vennekens, Joost},
  title =	{{05171 Abstracts Collection – Nonmonotonic Reasoning, Answer Set Programming and Constraints}},
  booktitle =	{Nonmonotonic Reasoning, Answer Set Programming and Constraints},
  pages =	{1--23},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2005},
  volume =	{5171},
  editor =	{Gerhard Brewka and Ilkka Niemel\"{a} and Torsten Schaub and Miroslaw Truszczynski},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05171.1},
  URN =		{urn:nbn:de:0030-drops-2690},
  doi =		{10.4230/DagSemProc.05171.1},
  annote =	{Keywords: Knowledge representation, nonmonotonic reasoning, logic programming, answer-set programming, constraints}
}
Document
DOI: 10.4230/DagSemProc.05171.2
05171 Executive Summary – Nonmonotonic Reasoning, Answer Set Programming and Constraints

Authors: Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, and Miroslaw Truszczynski

Published in: Dagstuhl Seminar Proceedings, Volume 5171, Nonmonotonic Reasoning, Answer Set Programming and Constraints (2005)

Abstract
We provide a brief overview of the seminar and comment on most important research themes that emerged.
Cite as

Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, and Miroslaw Truszczynski. 05171 Executive Summary – Nonmonotonic Reasoning, Answer Set Programming and Constraints. In Nonmonotonic Reasoning, Answer Set Programming and Constraints. Dagstuhl Seminar Proceedings, Volume 5171, pp. 1-2, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)

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@InProceedings{brewka_et_al:DagSemProc.05171.2,
  author =	{Brewka, Gerhard and Niemel\"{a}, Ilkka and Schaub, Torsten and Truszczynski, Miroslaw},
  title =	{{05171 Executive Summary – Nonmonotonic Reasoning, Answer Set Programming and Constraints}},
  booktitle =	{Nonmonotonic Reasoning, Answer Set Programming and Constraints},
  pages =	{1--2},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2005},
  volume =	{5171},
  editor =	{Gerhard Brewka and Ilkka Niemel\"{a} and Torsten Schaub and Miroslaw Truszczynski},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05171.2},
  URN =		{urn:nbn:de:0030-drops-2607},
  doi =		{10.4230/DagSemProc.05171.2},
  annote =	{Keywords: Knowledge representation, nonmonotonic reasoning, logic programming, answer-set programming, constraints}
}
Document
DOI: 10.4230/DagSemProc.05171.5
Normal Form Theorem for Logic Programs with Cardinality Constraints

Authors: Victor W. Marek and Jeffrey B. Remmel

Published in: Dagstuhl Seminar Proceedings, Volume 5171, Nonmonotonic Reasoning, Answer Set Programming and Constraints (2005)

Abstract
We discuss proof schemes, a kind of context-dependent proofs for logic programs. We show usefullness of these constructs both in the context of normal logic programs and their generalizations due to Niemela and collaborators. As an application we show the following result. For every cardinality-constraint logic program P there is a logic program P´ with the same heads, but with bodies consisting of atoms and negated atoms such that P and P´ have same stable models. It is worth noting that another proof of same result can be obtained from the results by Lifschitz and collaborators.
Cite as

Victor W. Marek and Jeffrey B. Remmel. Normal Form Theorem for Logic Programs with Cardinality Constraints. In Nonmonotonic Reasoning, Answer Set Programming and Constraints. Dagstuhl Seminar Proceedings, Volume 5171, pp. 1-34, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)

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@InProceedings{marek_et_al:DagSemProc.05171.5,
  author =	{Marek, Victor W. and Remmel, Jeffrey B.},
  title =	{{Normal Form Theorem for Logic Programs with Cardinality Constraints}},
  booktitle =	{Nonmonotonic Reasoning, Answer Set Programming and Constraints},
  pages =	{1--34},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2005},
  volume =	{5171},
  editor =	{Gerhard Brewka and Ilkka Niemel\"{a} and Torsten Schaub and Miroslaw Truszczynski},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.05171.5},
  URN =		{urn:nbn:de:0030-drops-2598},
  doi =		{10.4230/DagSemProc.05171.5},
  annote =	{Keywords: Proof scheme, cardinality constraints}
}
Document
DOI: 10.4230/DagSemRep.354
Nonmonotonic Reasoning, Answer Set Programming and Constraints (Dagstuhl Seminar 02381)

Authors: Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, and Miroslaw Truszczynski

Published in: Dagstuhl Seminar Reports. Dagstuhl Seminar Reports, Volume 1 (2021)

Abstract
Cite as

Gerhard Brewka, Ilkka Niemelä, Torsten Schaub, and Miroslaw Truszczynski. Nonmonotonic Reasoning, Answer Set Programming and Constraints (Dagstuhl Seminar 02381). Dagstuhl Seminar Report 354, pp. 1-18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2003)

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@TechReport{brewka_et_al:DagSemRep.354,
  author =	{Brewka, Gerhard and Niemel\"{a}, Ilkka and Schaub, Torsten and Truszczynski, Miroslaw},
  title =	{{Nonmonotonic Reasoning, Answer Set Programming and Constraints (Dagstuhl Seminar 02381)}},
  pages =	{1--18},
  ISSN =	{1619-0203},
  year =	{2003},
  type = 	{Dagstuhl Seminar Report},
  number =	{354},
  institution =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemRep.354},
  URN =		{urn:nbn:de:0030-drops-152348},
  doi =		{10.4230/DagSemRep.354},
}
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