3 Search Results for "Remmel, Jeffrey B."

Document
DOI: 10.4230/LIPIcs.ICLP.2011.40
Hybrid ASP

Authors: Alex Brik and Jeffrey B. Remmel

Published in: LIPIcs, Volume 11, Technical Communications of the 27th International Conference on Logic Programming (ICLP'11) (2011)

Abstract
This paper introduces an extension of Answer Set Programming (ASP) called Hybrid ASP which will allow the user to reason about dynamical systems that exhibit both discrete and continuous aspects. The unique feature of Hybrid ASP is that it allows the use of ASP type rules as controls for when to apply algorithms to advance the system to the next position. That is, if the prerequisites of a rule are satisfied and the constraints of the rule are not violated, then the algorithm associated with the rule is invoked.
Cite as

Alex Brik and Jeffrey B. Remmel. Hybrid ASP. In Technical Communications of the 27th International Conference on Logic Programming (ICLP'11). Leibniz International Proceedings in Informatics (LIPIcs), Volume 11, pp. 40-50, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@InProceedings{brik_et_al:LIPIcs.ICLP.2011.40,
  author =	{Brik, Alex and Remmel, Jeffrey B.},
  title =	{{Hybrid ASP}},
  booktitle =	{Technical Communications of the 27th International Conference on Logic Programming (ICLP'11)},
  pages =	{40--50},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-31-6},
  ISSN =	{1868-8969},
  year =	{2011},
  volume =	{11},
  editor =	{Gallagher, John P. and Gelfond, Michael},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ICLP.2011.40},
  URN =		{urn:nbn:de:0030-drops-31790},
  doi =		{10.4230/LIPIcs.ICLP.2011.40},
  annote =	{Keywords: answer set programming, hybrid systems, modeling and simulation}
}
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/DagSemProc.05171.8
Set Based Logic Programming

Authors: Jeffrey B. Remmel and Victor W. Marek

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

Abstract
We propose a set of desiderata for extensions of Answer Set Programming to capture domains where the objects of interest are infinite sets and yet we can still process ASP programs effectively. We propose two different schemes to do this. One is to extend cardinality type constraints to set constraints which involve codes for finite, recursive and recursively enumerable sets. A second scheme to modify logic programming to reason about sets directly. In this setting, we can also augment logic programming with certain monotone inductive operators so that we can reason about families of sets which have structure such a closed sets of a topological space or subspaces of a vector space. We observe that under such conditions, the classic Gelfond-Lifschitz construction generalizes to at least two different notions of stable models.
Cite as

Jeffrey B. Remmel and Victor W. Marek. Set Based Logic Programming. In Nonmonotonic Reasoning, Answer Set Programming and Constraints. Dagstuhl Seminar Proceedings, Volume 5171, pp. 1-26, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)

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@InProceedings{remmel_et_al:DagSemProc.05171.8,
  author =	{Remmel, Jeffrey B. and Marek, Victor W.},
  title =	{{Set Based Logic Programming}},
  booktitle =	{Nonmonotonic Reasoning, Answer Set Programming and Constraints},
  pages =	{1--26},
  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.05171.8},
  URN =		{urn:nbn:de:0030-drops-2667},
  doi =		{10.4230/DagSemProc.05171.8},
  annote =	{Keywords: ASP, codes for infinite sets, stable model generalizations}
}
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