[PlanetKR] CfP SAFA 2026 - The 6th International Workshop on Systems and Algorithms for Formal Argumentation - COMMA 2026

[Borg, A. (Annemarie)]

Apologies if you receive multiple copies. Please forward this call to interested parties.]
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Call for Papers
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SAFA2026
The Sixth International Workshop on Systems and Algorithms for Formal Argumentation

http://safa2026.argumentationcompetition.org

Co-located with the eleventh International Conference on Computational
Models of Argument (COMMA'26), Barcelona, Spain, https://comma2026.vercel.app/

September 14 or 15, 2026


Description
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Computational models of argumentation are approaches that deal with the representation and
interaction of arguments and counterarguments. These models can be applied in all areas
that benefit from automatic decision-support such as medicine, accounting, chemistry, and
law. Many of these models were inspired by works within the fields of non-monotonic
reasoning and logic programming and therefore share the sometimes considerable
computational complexity of these approaches.

Algorithmic aspects of computational models of argumentation are an important area, as
witnessed by the popularity of the International Competition on Computational Models of
Argumentation (ICCMA). This workshop aims at complementing the competition by providing a
forum to present and discuss both systems and algorithms dealing with all aspects of
computational argumentation, in particular those approaches addressing the tracks of the
competition. A first workshop had been organised in 2016, a second one
in 2018, a third one in 2020, a fourth one in 2022 and a fifth one in 2024.

This workshop welcomes technical contributions in all areas dealing with algorithms and systems of formal argument. Topics of interest include, but are not limited to:

* Algorithms for solving problems in abstract argumentation frameworks
* Algorithms for solving problems in structured argumentation frameworks (such as ASPIC+,
  ABA, DeLP, and others)
* Computational complexity of problems in formal argumentation
* Advanced techniques that may be exploited for algorithmic purposes
* Parallel algorithms
* Approximation algorithms
* Web-based systems and argument mining
* Dialogue systems and strategic aspects of argumentation
* Machine learning and argumentation
* Design principles and software engineering aspects of tools for formal argumentation
* Metrics for evaluating algorithms
* Benchmark generation and empirical studies on real-world argumentation graphs
* System descriptions of tools for formal argumentation

The workshop specifically welcomes preliminary works on the above topics. In particular, no systematic evaluations are needed for inclusion in the program. Finally, we welcome position papers that propose new tracks for the competition or discuss general matters related to it.

Keynote Speaker
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TBA

Important Dates
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Paper submission deadline:    July 6, 2026
Notification of acceptance:   August 10, 2026
Camera-ready version:   August 28, 2026
Workshop:   September 14 or 15, 2026



Submission
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We invite papers, which have to be in English and formatted according to the CEUR-WS style (https://safa2026.argumentationcompetition.org/safa2026_latex_template.zip), in the following two categories:

* Full technical papers (14 pages max., excluding references) are expected to report on new research that makes a substantial technical contribution to the field. Additional details may be included in an appendix, which, however, will be read at the discretion of the PC.
* Position papers (7 pages max., excluding references) can report on research in progress or other issues of interest to the SAFA community. Examples of work suitable for position paper submissions include: novel ideas whose scope is not large enough for a full paper; important implementation techniques; novel interesting benchmark problems; short experimental studies; interesting applications that are not yet completely solved or analysed; position or challenge papers.

Submissions are handled through the EasyChair conference management system (https://easychair.org/my2/conference?conf=safa2026).

All papers will be subject to blind peer review based on the standard criteria of relevance, significance of results, originality of ideas, soundness, and quality of the presentation.

All accepted papers will be published in the workshop proceedings which will be submitted to http://ceur-ws.org, and will be presented at the workshop. At least one author of each accepted paper must register for the workshop (through the COMMA 2026 website, https://comma2026.vercel.app/) and present the contribution.

Organizers
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* AnneMarie Borg (Utrecht University, Netherlands)
* Jean-Guy Mailly (Université Toulouse Capitole, France)
* Andreas Niskanen (University of Helsinki, Finland)
* Johannes P. Wallner (Graz University of Technology, Austria)

Program Committee
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Mario Alviano (University of Calabria, Italy)
Matti Berthold (University of Leipzig, Germany)
Stefano Bistarelli (Università degli Studi di Perugia, Italy)
Martin Caminada (Cardiff University, United Kingdom)
Andrea Cohen (Universidad Nacional del Sur, Argentina)
Victor David (INRIA, France)
Jérôme Delobelle (LIPADE, University Paris Cité, France)
Sylvie Doutre (Université Toulouse Capitole, France)
Sarah Alice Gaggl (TU Dresden, Germany)
Massimiliano Giacomin (University of Brescia, Italy)
Matti Järvisalo (University of Helsinki, Finland)
Timotheus Kampik (Umeå University, Sweden)
Tuomo Lehtonen (University of Helsinki, Finland)
Samer Nofal (German Jordanian University, Jordan)
Daphne Odekerken (Utrecht University, Netherlands)
Tjitze Rienstra (Maastricht University, The Netherlands)
Fabio Rossi (Università degli Studi di Perugia, Italy)
Francesco Santini (Università degli Studi di Perugia, Italy)
Matthias Thimm (FernUniversität Hagen, Germany)
Mauro Vallati (University of Huddersfield, United Kingdom)

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