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Documents authored by Agotnes, Thomas

Found 2 Possible Name Variants:

Agotnes, Thomas

Document
DOI: 10.4230/DagRep.4.8.21
Formal Methods for Coordinating Multi-Agent Systems (Dagstuhl Seminar 14332)

Authors: Thomas Agotnes and Nils Bulling

Published in: Dagstuhl Reports, Volume 4, Issue 8 (2015)

Abstract
This report documents the programme and outcomes of the Dagstuhl Serminar 14332 "Formal Methods for Coordinating Multi-Agent Systems", that took place from 10 to 14 August, 2014. This seminar brought together researchers from the following subfields of multi-agent systems: logic, game theory, and agreement technologies. It is set up at the intersection of these active fields of research and aimed at fostering collaborations between them. A key objective of the seminar has been to shed light on formal methods for coordinating multi-agent systems, in particular, how to combine research and tools from the different areas to obtain new techniques for coordinating the behavior of agents. The coordination problem is a key problem in multi-agent systems: how can we coordinate the individual behaviour of the agents such that the global behaviour of the system as a whole satisfies our needs? Dagstuhl was an excellent venue to bring together leading researchers from logics, game theory, and agreement technologies to learn about their research activities, to discuss as well as to work on timely problems, and to establish new collaborations between researchers. The outcome of the working groups and discussions provides promising avenues and open questions for future research in the field.
Cite as

Thomas Agotnes and Nils Bulling. Formal Methods for Coordinating Multi-Agent Systems (Dagstuhl Seminar 14332). In Dagstuhl Reports, Volume 4, Issue 8, pp. 21-44, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)

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@Article{agotnes_et_al:DagRep.4.8.21,
  author =	{Agotnes, Thomas and Bulling, Nils},
  title =	{{Formal Methods for Coordinating Multi-Agent Systems (Dagstuhl Seminar 14332)}},
  pages =	{21--44},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{4},
  number =	{8},
  editor =	{Agotnes, Thomas and Bulling, Nils},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.4.8.21},
  URN =		{urn:nbn:de:0030-drops-47971},
  doi =		{10.4230/DagRep.4.8.21},
  annote =	{Keywords: multi-agent systems, coordination, formal methods, game theory, logic, agreement technologies}
}
Document
DOI: 10.4230/DagRep.4.1.83
Planning with epistemic goals (Dagstuhl Seminar 14032)

Authors: Thomas Agotnes, Gerhard Lakemeyer, Benedikt Löwe, and Bernhard Nebel

Published in: Dagstuhl Reports, Volume 4, Issue 1 (2014)

Abstract
This report documents the outcomes of Dagstuhl Seminar 14032 "Planning with epistemic goals". It brought together the communities of so far relatively separate research areas related to artificial intelligence and logic: automated planning on the one hand, and dynamic logics of interaction on the other. Significant overlap in motivation, theory and methods was discovered, and a good potential for cross fertilization became apparent.
Cite as

Thomas Agotnes, Gerhard Lakemeyer, Benedikt Löwe, and Bernhard Nebel. Planning with epistemic goals (Dagstuhl Seminar 14032). In Dagstuhl Reports, Volume 4, Issue 1, pp. 83-103, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)

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@Article{agotnes_et_al:DagRep.4.1.83,
  author =	{Agotnes, Thomas and Lakemeyer, Gerhard and L\"{o}we, Benedikt and Nebel, Bernhard},
  title =	{{Planning with epistemic goals (Dagstuhl Seminar 14032)}},
  pages =	{83--103},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{4},
  number =	{1},
  editor =	{Agotnes, Thomas and Lakemeyer, Gerhard and L\"{o}we, Benedikt and Nebel, Bernhard},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.4.1.83},
  URN =		{urn:nbn:de:0030-drops-45369},
  doi =		{10.4230/DagRep.4.1.83},
  annote =	{Keywords: planning, epistemic logic, modal logic}
}
Document
DOI: 10.4230/DagSemProc.09121.27
Robust Normative Systems

Authors: Thomas Agotnes, Wiebe van der Hoek, and Michael Wooldridge

Published in: Dagstuhl Seminar Proceedings, Volume 9121, Normative Multi-Agent Systems (2009)

Abstract
Although normative systems, or social laws, have proved to be a highly influential approach to coordination in multi-agent systems, the issue of emph{compliance} to such normative systems remains problematic. In all real systems, it is possible that some members of an agent population will not comply with the rules of a normative system, even if it is in their interests to do so. It is therefore important to consider the extent to which a normative system is emph{robust}, i.e., the extent to which it remains effective even if some agents do not comply with it. We formalise and investigate three different notions of robustness and related decision problems. We begin by considering sets of agents whose compliance is necessary and/or sufficient to guarantee the effectiveness of a normative system; we then consider quantitative approaches to robustness, where we try to identify the proportion of an agent population that must comply in order to ensure success, and finally, we consider a more general approach, where we characterise the compliance conditions required for success as a logical formula.
Cite as

Thomas Agotnes, Wiebe van der Hoek, and Michael Wooldridge. Robust Normative Systems. In Normative Multi-Agent Systems. Dagstuhl Seminar Proceedings, Volume 9121, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

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@InProceedings{agotnes_et_al:DagSemProc.09121.27,
  author =	{Agotnes, Thomas and van der Hoek, Wiebe and Wooldridge, Michael},
  title =	{{Robust Normative Systems}},
  booktitle =	{Normative Multi-Agent Systems},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9121},
  editor =	{Guido Boella and Pablo Noriega and Gabriella Pigozzi and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09121.27},
  URN =		{urn:nbn:de:0030-drops-18971},
  doi =		{10.4230/DagSemProc.09121.27},
  annote =	{Keywords: Normative systems, robustness, fault tolerance, complexity}
}
Document
DOI: 10.4230/DagSemProc.07122.24
On the Logic of Normative Systems

Authors: Thomas Ågotnes, Wiebe van der Hoek, Juan A. Rodriguez-Aguilar, Carles Sierra, and Michael Wooldridge

Published in: Dagstuhl Seminar Proceedings, Volume 7122, Normative Multi-agent Systems (2007)

Abstract
We introduce emph{Normative Temporal Logic} (acro{ntl}), a logic for reasoning about normative systems. acro{ntl} is a generalisation of the well-known branching-time temporal logic acro{ctl}, in which the path quantifiers $Apath$ (``on all pathsldots'') and $Epath$ (``on some pathldots'') are replaced by the indexed deontic operators $O{ s}$ and $P{ s}$, where for example $O{ s}phi$ means ``$phi$ is obligatory in the context of normative system $ s$''. After defining the logic, we give a sound and complete axiomatisation, and discuss the logic's relationship to standard deontic logics. We present a symbolic representation language for models and normative systems, and identify four different model checking problems, corresponding to whether or not a model is represented symbolically or explicitly, and whether or not we are given an interpretation for the normative systems named in formulae to be checked. We show that the complexity of model checking varies from acro{p}-complete up to acro{exptime}-hard for these variations.
Cite as

Thomas Ågotnes, Wiebe van der Hoek, Juan A. Rodriguez-Aguilar, Carles Sierra, and Michael Wooldridge. On the Logic of Normative Systems. In Normative Multi-agent Systems. Dagstuhl Seminar Proceedings, Volume 7122, pp. 1-13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{agotnes_et_al:DagSemProc.07122.24,
  author =	{\r{A}gotnes, Thomas and van der Hoek, Wiebe and Rodriguez-Aguilar, Juan A. and Sierra, Carles and Wooldridge, Michael},
  title =	{{On the Logic of Normative Systems}},
  booktitle =	{Normative Multi-agent Systems},
  pages =	{1--13},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7122},
  editor =	{Guido Boella and Leon van der Torre and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.24},
  URN =		{urn:nbn:de:0030-drops-9210},
  doi =		{10.4230/DagSemProc.07122.24},
  annote =	{Keywords: Normative systems, normative temporal logic, deontic logic}
}

Ågotnes, Thomas

Document
DOI: 10.4230/DagRep.4.8.21
Formal Methods for Coordinating Multi-Agent Systems (Dagstuhl Seminar 14332)

Authors: Thomas Agotnes and Nils Bulling

Published in: Dagstuhl Reports, Volume 4, Issue 8 (2015)

Abstract
This report documents the programme and outcomes of the Dagstuhl Serminar 14332 "Formal Methods for Coordinating Multi-Agent Systems", that took place from 10 to 14 August, 2014. This seminar brought together researchers from the following subfields of multi-agent systems: logic, game theory, and agreement technologies. It is set up at the intersection of these active fields of research and aimed at fostering collaborations between them. A key objective of the seminar has been to shed light on formal methods for coordinating multi-agent systems, in particular, how to combine research and tools from the different areas to obtain new techniques for coordinating the behavior of agents. The coordination problem is a key problem in multi-agent systems: how can we coordinate the individual behaviour of the agents such that the global behaviour of the system as a whole satisfies our needs? Dagstuhl was an excellent venue to bring together leading researchers from logics, game theory, and agreement technologies to learn about their research activities, to discuss as well as to work on timely problems, and to establish new collaborations between researchers. The outcome of the working groups and discussions provides promising avenues and open questions for future research in the field.
Cite as

Thomas Agotnes and Nils Bulling. Formal Methods for Coordinating Multi-Agent Systems (Dagstuhl Seminar 14332). In Dagstuhl Reports, Volume 4, Issue 8, pp. 21-44, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)

Copy BibTex To Clipboard

@Article{agotnes_et_al:DagRep.4.8.21,
  author =	{Agotnes, Thomas and Bulling, Nils},
  title =	{{Formal Methods for Coordinating Multi-Agent Systems (Dagstuhl Seminar 14332)}},
  pages =	{21--44},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{4},
  number =	{8},
  editor =	{Agotnes, Thomas and Bulling, Nils},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.4.8.21},
  URN =		{urn:nbn:de:0030-drops-47971},
  doi =		{10.4230/DagRep.4.8.21},
  annote =	{Keywords: multi-agent systems, coordination, formal methods, game theory, logic, agreement technologies}
}
Document
DOI: 10.4230/DagRep.4.1.83
Planning with epistemic goals (Dagstuhl Seminar 14032)

Authors: Thomas Agotnes, Gerhard Lakemeyer, Benedikt Löwe, and Bernhard Nebel

Published in: Dagstuhl Reports, Volume 4, Issue 1 (2014)

Abstract
This report documents the outcomes of Dagstuhl Seminar 14032 "Planning with epistemic goals". It brought together the communities of so far relatively separate research areas related to artificial intelligence and logic: automated planning on the one hand, and dynamic logics of interaction on the other. Significant overlap in motivation, theory and methods was discovered, and a good potential for cross fertilization became apparent.
Cite as

Thomas Agotnes, Gerhard Lakemeyer, Benedikt Löwe, and Bernhard Nebel. Planning with epistemic goals (Dagstuhl Seminar 14032). In Dagstuhl Reports, Volume 4, Issue 1, pp. 83-103, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)

Copy BibTex To Clipboard

@Article{agotnes_et_al:DagRep.4.1.83,
  author =	{Agotnes, Thomas and Lakemeyer, Gerhard and L\"{o}we, Benedikt and Nebel, Bernhard},
  title =	{{Planning with epistemic goals (Dagstuhl Seminar 14032)}},
  pages =	{83--103},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2014},
  volume =	{4},
  number =	{1},
  editor =	{Agotnes, Thomas and Lakemeyer, Gerhard and L\"{o}we, Benedikt and Nebel, Bernhard},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.4.1.83},
  URN =		{urn:nbn:de:0030-drops-45369},
  doi =		{10.4230/DagRep.4.1.83},
  annote =	{Keywords: planning, epistemic logic, modal logic}
}
Document
DOI: 10.4230/DagSemProc.09121.27
Robust Normative Systems

Authors: Thomas Agotnes, Wiebe van der Hoek, and Michael Wooldridge

Published in: Dagstuhl Seminar Proceedings, Volume 9121, Normative Multi-Agent Systems (2009)

Abstract
Although normative systems, or social laws, have proved to be a highly influential approach to coordination in multi-agent systems, the issue of emph{compliance} to such normative systems remains problematic. In all real systems, it is possible that some members of an agent population will not comply with the rules of a normative system, even if it is in their interests to do so. It is therefore important to consider the extent to which a normative system is emph{robust}, i.e., the extent to which it remains effective even if some agents do not comply with it. We formalise and investigate three different notions of robustness and related decision problems. We begin by considering sets of agents whose compliance is necessary and/or sufficient to guarantee the effectiveness of a normative system; we then consider quantitative approaches to robustness, where we try to identify the proportion of an agent population that must comply in order to ensure success, and finally, we consider a more general approach, where we characterise the compliance conditions required for success as a logical formula.
Cite as

Thomas Agotnes, Wiebe van der Hoek, and Michael Wooldridge. Robust Normative Systems. In Normative Multi-Agent Systems. Dagstuhl Seminar Proceedings, Volume 9121, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

Copy BibTex To Clipboard

@InProceedings{agotnes_et_al:DagSemProc.09121.27,
  author =	{Agotnes, Thomas and van der Hoek, Wiebe and Wooldridge, Michael},
  title =	{{Robust Normative Systems}},
  booktitle =	{Normative Multi-Agent Systems},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9121},
  editor =	{Guido Boella and Pablo Noriega and Gabriella Pigozzi and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09121.27},
  URN =		{urn:nbn:de:0030-drops-18971},
  doi =		{10.4230/DagSemProc.09121.27},
  annote =	{Keywords: Normative systems, robustness, fault tolerance, complexity}
}
Document
DOI: 10.4230/DagSemProc.07122.24
On the Logic of Normative Systems

Authors: Thomas Ågotnes, Wiebe van der Hoek, Juan A. Rodriguez-Aguilar, Carles Sierra, and Michael Wooldridge

Published in: Dagstuhl Seminar Proceedings, Volume 7122, Normative Multi-agent Systems (2007)

Abstract
We introduce emph{Normative Temporal Logic} (acro{ntl}), a logic for reasoning about normative systems. acro{ntl} is a generalisation of the well-known branching-time temporal logic acro{ctl}, in which the path quantifiers $Apath$ (``on all pathsldots'') and $Epath$ (``on some pathldots'') are replaced by the indexed deontic operators $O{ s}$ and $P{ s}$, where for example $O{ s}phi$ means ``$phi$ is obligatory in the context of normative system $ s$''. After defining the logic, we give a sound and complete axiomatisation, and discuss the logic's relationship to standard deontic logics. We present a symbolic representation language for models and normative systems, and identify four different model checking problems, corresponding to whether or not a model is represented symbolically or explicitly, and whether or not we are given an interpretation for the normative systems named in formulae to be checked. We show that the complexity of model checking varies from acro{p}-complete up to acro{exptime}-hard for these variations.
Cite as

Thomas Ågotnes, Wiebe van der Hoek, Juan A. Rodriguez-Aguilar, Carles Sierra, and Michael Wooldridge. On the Logic of Normative Systems. In Normative Multi-agent Systems. Dagstuhl Seminar Proceedings, Volume 7122, pp. 1-13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

Copy BibTex To Clipboard

@InProceedings{agotnes_et_al:DagSemProc.07122.24,
  author =	{\r{A}gotnes, Thomas and van der Hoek, Wiebe and Rodriguez-Aguilar, Juan A. and Sierra, Carles and Wooldridge, Michael},
  title =	{{On the Logic of Normative Systems}},
  booktitle =	{Normative Multi-agent Systems},
  pages =	{1--13},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7122},
  editor =	{Guido Boella and Leon van der Torre and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.24},
  URN =		{urn:nbn:de:0030-drops-9210},
  doi =		{10.4230/DagSemProc.07122.24},
  annote =	{Keywords: Normative systems, normative temporal logic, deontic logic}
}
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