Research
I currently work on the theoretical, computational and empirical connections between knowledge, data and reasoning, as a contribution to responsible artificial intelligence. I do this using an argumentation perspective, often with the law as domain of application. See my 2017 inaugural lecture `Arguments for Good Artificial Intelligence' as chair of artificial intelligence and argumentation in which I discuss what an argumentation perspective can do for a responsible AI, and my ICAIL 2019 plenary address `Artificial Intelligence as Law'. See also the handbook chapter `Chapter 11: Artificial intelligence and argumentation' for an overview of research in the field of computational argumentation. The chapter connects to artificial intelligence and law research.

My developing perspective on AI is formally founded in my ongoing work on the logic of argumentation, in which case models provide a formal semantics for arguments. In the formalism, rule-based defeasible arguments are grounded in cases. The case model formalism was first published in the 2016 JELIA conference paper `Correct Grounded Reasoning with Presumptive Arguments' (building on papers presented at JELIA 2012 and COMMA 2014), and formalizes the semi-formally presented ideas in the 2014 journal paper `To Catch a Thief With and Without Numbers' on evidential reasoning. The formalism was inspired by the setting of reasoning with evidence, where qualitative and quantitative reasoning methods are used side-by-side. The case model formalism was applied to the combination of arguments, scenarios and probabilities as normative tools in evidential reasoning (in the 2017 journal paper `Proof With and Without Probabilities'), to value-guided argumentation in the context of ethical systems design (in the 2016 journal paper `Formalizing Value-Guided Argumentation for Ethical Systems Design'), and to the modeling of reasoning with arguments, rules and cases in the law (in the 2017 ICAIL conference paper `Formalizing Arguments, Rules and Cases'). In the 2020 journal paper `Analyzing the Simonshaven Case With and Without Probabilities', the formalism was applied to the analysis of evidential reasoning in a court decision about a crime case in the Netherlands.

I have led a research project on the connections between arguments, scenarios and probabilities in forensic reasoning with evidence, funded by the NWO Forensic Science program (2012-2017). See also the 2018 handbook chapter `Evidential Reasoning' (with Marcello Di Bello). In the project, methods for the design and understanding of Bayesian Networks were developed using scenarios (Charlotte Vlek) and arguments (Sjoerd Timmer). Project web site: http://www.ai.rug.nl/~verheij/nwofs/. The 2016 journal paper `Arguments, Scenarios and Probabilities: Connections Between Three Normative Frameworks for Evidential Reasoning' provides an overview of approaches in the project. Key research output of the project is as follows:
    • A method to manually design a Bayesian Network incorporating hypothetical scenarios and the available evidence, with a case study testing the design method (Vlek et al., 2014);
    • A method to generate a structured explanatory text of a Bayesian Network modeled according to this method, with a case study testing the explanation method (Vlek et al., 2016);
    • A method to incorporate argument schemes and their critical questions in a Bayesian Network (Timmer et al., 2015);
    • An algorithm to extract argumentative information from a Bayesian Network modeling hypotheses and evidence (Timmer et al., 2017).


      In the NWO VICI project led by Rineke Verbrugge, I cosupervised Harmen de Weerd during his research on studying higher-order theory of mind using agent-based simulations. He showed how higher-order theory of mind plays a role in competitive, cooperative and mixed-motive settings, such as negotiation.

      A semi-formal impression of my perspective on AI & law is available in this 2005 interview (in Dutch; pdf) or this 2007 coffeehouse conversation. My views on semi-formal argumentation are explained in this 2009 text where I trace Toulmin's footprints in AI. My 2005 book Virtual arguments contains a lot of information about my work on the design and logical underpinning of argumentation software. ArguMed based on DefLog is the software version to focus on; it is Dung compliant (stable semantics), has pros and cons (also for and against support/attack links), and has been assessed by a protocolled qualitative user evaluation. The book has more than the 2003 Artificial intelligence journal paper. A 2007 paper gives an update, and a perspective on increasing the usefulness of argumentation software for professionals. That paper also contains an accessible version of my view on entangled dialectical arguments (and associated diagrams), of which the logical formalization is studied in the 2003 paper on DefLog. A deviant strand of argumentation software, focusing more on content and less on argument diagramming, is the ArguGuide tool developed with Maaike Schweers, Stijn Colen and Fokie Cnossen (see ICAIL 2009 for a very short description of the statistically significant evidence that we have showing that the ArguGuide design improves performance on a case solving task).

      I have always paid a lot of attention to the naturalness of the argument/reasoning models I developed (although this may not always be obvious). Reason-Based Logic (with Jaap Hage) is a good example of this (see e.g. my 1996 dissertation). Also noteworthy in this respect are this 1997 attempt (with Jaap Hage and Arno Lodder) to faithfully model a part of Dutch tort law, and a second improved attempt (with Jaap Hage and Gerrit van Maanen; only available in Dutch). A very sobering, hence fruitful, experience in this respect has been the development of teaching material for students of Dutch law to improve their argumentative skills. It is in its fourth printing (2011). Even my DefLog formalism aims to provide a natural conceptualisation of argumentation. (That is why I e.g. prefer to speak of arguments justifying prima facie conclusions and not of justified arguments.) My 2005 interpretation and extension of Toulmin's argument model/diagram in terms of DefLog is an indication of its naturalness (for more on Toulmin see this 2006 volume coedited with David Hitchcock and this 2009 paper on the reception of Toulmin's ideas in AI). Another such indication is my 2003 treatment of Walton's argumentation schemes, where I treat argumentation schemes as a kind of semi-formal rules of inference with exceptions that can be found and systematized using a knowledge engineering approach. An early incarnation of that work was presented at ICAIL 2001, formally worked out in the full report. The idea of argumentation schemes as contextual, defeasible, semi-formal rules of inference was already used in my work on Reason-Based Logic (with Jaap Hage; e.g., chapter 2, section 6 of my 1996 dissertation). The associated 'philosophy of logic' is explained in my 1999 paper 'Logic, context and valid inference. Or: Can there be a logic of law?', a personal favorite. For me, argumentation schemes are a continuation of Toulmin's ideas on warrants: contextual, defeasible, semi-formal. This perspective is explained and embedded in a research tradition in my 2009 book chapter on how semi-formal, defeasible argumentation schemes creep into logic.

      My interest in reasoning with evidence and legal proof started in Maastricht (see the 2000 text on the connections between argumentation and stories that I wrote for Hans Crombag). In Groningen this work really got off the ground by Floris Bex's PhD research (2005-2009), in a joint project with Henry Prakken and Peter van Koppen (and also Susan van den Braak, Gerard Vreeswijk and Herre van Oostendorp; see an early overview paper, this 2007 paper and the project's page). The 2009 volume edited with Hendrik Kaptein and Henry Prakken is also on this theme. It includes a chapter on reconstructing the anchored narratives theory using argumentation schemes.

      In 1996 I proposed two additional semantics for abstract argumentation in the sense of Dung 1995: stage extensions and admissible stage extensions. The latter now go by the name of semi-stable extensions (see Caminada's 2006 work). I continued this line of work in a more expressive language (see the 2003 paper on DefLog), in order to incorporate pros and cons, and in an attempt to close the gap between argumentation formalisms and logic. The DefLog language not only allows the expression of support and attack, but also of reasoning about support and attack. The latter was called entanglement by Bram Roth. ArguMed based on DefLog is an implementation of DefLog (computing its Dung-faithful version of stable semantics) and the associated argument diagrams. For abstract argumentation I have also implemented a software tool that computes small admissible sets and the grounded, preferred, stable and semi-stable semantics for abstract argumentation (see this 2007 publication).

      In 1996 I received my doctoral degree by defending my dissertation, entitled 'Rules, Reasons, Arguments. Formal studies of argumentation and defeat'. I have contributed to Jaap Hage's Reason-Based Logic, a model of rules and reasons, have developed CumulA, a model of argumentation with arguments and counterarguments in stages, have provided an abstract model of the law in terms of states of affairs, events, and rules (with Jaap Hage), and have implemented Argue! and ArguMed, two systems for automated argument assistance. I have also developed the logical system DefLog, focusing on the interpretation of prima facie justified assumptions. In collaboration with Bram Roth I have studied case-based reasoning in terms of the comparison of the dialectical arguments in cases. This resulted in Roth's dissertation Case-based reasoning in the law. A formal theory of reasoning by case comparison (2003), written under my supervision. My research about argument assistance systems resulted in a publication in the Artificial Intelligence journal and a book, entitled Virtual Arguments On the Design of Argument Assistants for Lawyers and Other Arguers .


      Key words: legal reasoning, defeasible reasoning, dialectical argumentation, computational dialectics, nonmonotonic logics, argument defeat, artificial intelligence and law, legal ontology, rules and principles, argument mediation, argument assistance.

News

Lorentz center workshop (2025)

From March 31 to April 4, 2025, Khalid Al Khatib, Serena Villata, Jodi Schneider, Jan Albert van Laar and I organize a workshop at the Lorentz center (Universiteit Leiden) on the topic of Hybrid Argumentation and Responsible AI.

Keynote presentation (2024)

At the 1st Doctoral Workshop on Law, Society & AI in Pisa, I deliver a keynote entitled `Responsible AI as critical discussion' (December 2, 2024; online contribution).

Outreach (2024)

Op het afscheidssymposium `Een digitale blik op de diagnostiek' voor Frans van der Horst (Reinier Haga Medisch Diagnostisch Centrum, Delft) sprak ik onder de titel `Het digitale gesprek/Verantwoorde AI als kritische discussie' (15 november 2024).

Outreach (2024)

Het thema van het Najaarscongres 2024 van het Koninklijk Actuarieel Genootschap: `AI: the key to success?' Ik geef een presentatie met als titel `Verantwoorde AI als kritische discussie' (13 november 2024). Aanleiding is het interview door Robin Cats, eerder dit jaar.

Keynote lecture (2024)

On October 31, 2024, I deliver a keynote lecture at the conference Narratives, Frontier Technologies and the Law (Maastricht University), entitled `Stories about knowledge, data and reasoning in AI and law'.

Vacancy (2024)

PhD vacancy in assessing the reliability of news and online information (supervised by Joëlle Swart, Marcel Broersma and myself). Application deadline October 13. You will work at the Centre for Media and Journalism Studies in collaboration with the Bernoulli Institute for Mathematics, Computer Science and Artificial Intelligence.

Dissertation defence with workshop (2024)

On Tuesday October 1, 2024 (11:00), Cor Steging defends his dissertation `Designing Responsible Artificial Intelligence: Hybrid Approaches for Aligning Learning and Reasoning' in the aula of the University of Groningen (in the academy building). And after that a workshop in celebration (14:00-17:00). You are welcome to join us. See also this university news item.

Panel member European Central Bank legal conference (2024)

On September 5, I participated in a panel on AI and the management of legal risk at the European Central Bank legal conference. Antonio Riso (European Central Bank) was chairing and other panelists were Felicity Bell (University of New South Wales) and Sandra Wachter (Oxford University).

New PhD candidates (2024)

In September, Leah Dijkshoorn and Albert Šilvans have started their research trajectory towards a PhD degree. They participate in the CogniGron research program and are cosupervised by Marco Grzegorczyk, Beatriz Noheda and myself.

Outreach/interview (2024)

Robin Cats has interviewed me for the journal `De Actuaris', the journal of the Koninklijk Actuarieel Genootschap for actuarial professionals. We spoke about the topic Responsible AI, and discussed why AI is important in society. The interview (in Dutch) can be downloaded as a pdf here.

Ubbo Emmius fund grant (2024)

Joëlle Swart, Marcel Broersma and I will be collaborating in a PhD project entitled `Assessing the reliability of news and online information. Fostering critical digital literacy skills for Generative AI', thanks to an interdisciplinary research grant awarded to us by the Groningen Ubbo Emmius Fund in its M20 program. It is a privilige to in this way be able to participate in the mission of the fund and of the Jantina Tammes School of Digital Society, Technology and AI.

Research visit INSA Centre Val de Loire (2024)

From June 17-21, 2024, on invitation by Sabine Frittella, I am on a research visit at the LIFO lab (Laboratoire d'Informatique Fondamentale d'Orléans) of the INSA Centre Val de Loire (Bourges, France).

HHAI paper (2024)

Ludi van Leeuwen presents the working paper Building a Stronger Case: Combining Evidence and Law in Scenario-Based Bayesian Networks at HHAI 2024 in Malmö (with Silja Renooij and Rineke Verbrugge).

Panel member VvL Logic at Large Lecture (2024)

The Dutch Association for Logic and Philosophy of the Exact Sciences (in Dutch: Vereniging voor Logica en Wijsbegeerte van Exacte Wetenschappen) organizes the Logic at Large lecture series, an annual event for a broad audience. This year Larry Moss delivered a beautiful lecture entited A Place for Logic in the Computer Processing of Language. Natasha Alechina (Open University & Utrecht) and I started the discussion as panelists.

Plenary talk (2024)

AIM, a network of researchers on AI and mathematics in the Netherlands, supported by NWO, organized a two-day cluster workshop in Utrecht (see the program). I was invited to give a plenary talk. The lecture I delivered on June 13, 2024, was entitled `Correct reasoning in artificial intelligence'.

JURISIN 2024 paper (2024)

Cor Steging is presenting the paper `A Hybrid Approach to Legal Textual Entailment' (that he cowrote with Ludi van Leeuwen) at the Eighteenth International Workshop on Juris-informatics (JURISIN 2024, Hamamatsu). The paper is available in the JURISIN 2024 proceedings (p. 154-169) edited by Ken Satoh and Nguyen Le Minh.

NWO Vici talent program (2024)

NWO Domain Science Vici-ENW 2024, Cluster B, assessment committee member

Stanford CodeX FutureLaw conference (2024)

Hybrid Law and the Neuro-Symbolic Bridge, panel member

Two lectures (2024)

On Wednesday March 13, 2024, we are organizing two lectures on Correct Reasoning in Data-driven Artificial Intelligence. One is by Peter Bloem (Vrije Universiteit Amsterdam), the other by Huiyuan Lai (University of Groningen). Location: House of Connections in Groningen (Grote Markt 21). You are welcome to join us. (Coorganized with Balder Ten Cate and Jelle Zuidema).

Farewell symposium and valedictory speech Lambert Schomaker (2024)

On March 8, 2024, Lambert Schomaker delivers his valedictory speech, and before there is a symposium with various speakers.

Contribution to liber amicorum Lambert Schomaker (2024) (2024)

Who shoves whom around inside a thinking self? Or: What is the meaning of symbols?

Mathematics alumni (2024)

The University of Groningen mathematics department publishes a newsletter for alumni, `Bernoulli Gazet'. The current edition contains some reflection on mathematics, AI and strange loops, in Dutch `Wiskunde, kunstmatige intelligentie en vreemde lussen'.

Dissertation defence with workshop (2024)

On Monday February 12, 2024 (11:00), Heng Zheng defends his dissertation `Arguments, Cases and Their Hardness. A formal theory with case studies in AI and Law' in the aula of the University of Groningen (in the academy building). And after that a workshop in celebration (14:00-17:00). You are welcome to join us.

Special interest group Ethics (2024)

In the Special interest group on Ethics of the Hybrid intelligence project, Ludi van Leeuwen presented her JURIX 2023 paper, and we presented the workshop on law, AI & philosophy we coorganized there (with Jaap Hage and Antonia Waltermann).

Panel discussion (2024)

On January 29, 2023, SaAI (Society & AI Groningen) organized a panel discussion `Are GPT-4 & friends too big? Reflecting on 3 years of “stochastic parrots”' (moderated by Marije Miedema and with Aurelie Herbelot, Gabriele Sarti, Ana Guerberof Arenas).

Four vacancies in AI (2024)

Come to the University of Groningen and work with us on the future of AI! We have four vacancies for assistant, associate and full professors in AI (3x tenure track assistant professor, 1x associate/full professor). We are recruiting in a broad range of topics (Machine Learning / Pattern Recognition, Responsible & Explainable AI, Natural Language Processing, Generative AI). Please apply by Friday, January 11th, 2024.

Vacancy: PhD position (2024)

PhD position in Artificial Intelligence and Mathematics for Cognitive Devices. Focus: AI methods for the alignment of learning and reasoning. Supervisors: Marco Grzegorczyk, Bart Verheij (application deadline: January 15, 2024)

Article about the NWO Gravitation Hybrid Intelligence project (2023)

Bennie Mols interviewed Hayley Hung and me om the Hybrid Intelligence project for the IPN I/O Magazine: Marrying the hardness of machines with the softness of people (p. 4-7)

JURIX conference papers (2023)

Three submissions were accepted as full papers and presented at the JURIX conference in Maastricht.
- Ludi van Leeuwen presented Evaluating Methods for Setting a Prior Probability of Guilt (with Rineke Verbrugge and Silja Renooij).
- Cor Steging presented Improving Rationales with Small, Inconsistent and Incomplete Data (with Silja Renooij).
- Wijnand van Woerkom presented Hierarchical a Fortiori Reasoning with Dimensions (with Davide Grossi and Henry Prakken).

Workshop (2023)

JURIX 2023 workshop on AI, law and philosophy (ALP@JURIX2023, Maastricht, December 18) (coorganized with Jaap Hage, Antonia Waltermann, Ludi van Leeuwen).

AILO talk (2023)

AILO talk `Hybrid argumentation systems' (December 6, 2023)

Science LinX news item (2023)

Responsible AI should be capable of logical reasoning (by Charlotte Vlek)

Join us at the AI@Rug lustrum (2023)

AI in Wonderland: Celebrating 30 years of the AI program at the University of Groningen (Friday, November 3, 2023)

Invited talk (2023)

Invited talk `Responsible AI/the alignment of knowledge-based and data-driven AI' at the final conference of the LAST-JD-RIoE doctoral program (EU Horizon 2020) (October 26, 2023, Università Degli Studi Di Bologna)

Keynote lecture (2023)

Keynote lecture `Hybrid decision making using knowledge and data' at the International Workshop on Logic, AI and Law (LAIL 2023, September 11-12, 2023, Zhejiang University, Hangzhou) (online)

Keynote lecture (2023)

Keynote lecture `On hybrid decision making and the future of law and AI' at the VI Lisbon meeting on legal theory; theme: Artificial Intelligence & Legal Decision (University of Lisbon)

TARK paper (2023)

Daniil Kozhemiachenko presents the paper `Presumptive Reasoning in a Paraconsistent Setting' at TARK 2023 in Oxford (with Sabine Frittella)

Workshop (June 27, 2023)

Workshop on the Design of Responsible Hybrid Intelligence in München at the HHAI 2023 conference (coorganized with Cor Steging and Ludi van Leeuwen).

ASAIL paper (2023)

Cor Steging presents the paper `Taking the Law More Seriously by Investigating Design Choices in Machine Learning Prediction Research' at the ASAIL workshop at ICAIL 2023 in Braga (with Silja Renooij)

ICAIL paper (2023)

Ludi van Leeuwen presents the paper `Using Agent-Based Simulations to Evaluate Bayesian Networks for Criminal Scenarios' at ICAIL 2023 in Braga (with Silja Renooij and Rineke Verbrugge)

ICAIL paper (2023)

Wijnand van Woerkom presents the paper `Hierarchical Precedential Constraint' at ICAIL 2023 in Braga (with Davide Grossi and Henry Prakken)

Visit Marcello Di Bello and three talks on evidence in AI and philosophy (2023)

Talks by Marcello Di Bello, Hylke Jellema and Ludi van Leeuwen.

JURISIN paper (2023)

Wachara Fungwacharakorn presents the paper `Constructing and Explaining Case Models: A Case-based Argumentation Perspective' at JURISIN 2023 in Kamumoto (with Ken Satoh)

Vacancy: PhD position (2023)

PhD position on hybrid argumentation using large scale knowledge graphs (at Vrije Universiteit Amsterdam; jointly with the University of Groningen). Supervisors: Ilaria Tiddi, Bart Verheij (application deadline: June 30, 2023)

Responsible AI in the press (2023)

Will a chatbot soon replace the teacher in the classroom? (Vervangt een chatbot straks de leraar voor de klas?) (comment for Oog TV/Omroep Groningen; in Dutch)

ICRA conference paper (2023)

Hamed Ayoobi's paper Explain What You See: Open-Ended Segmentation and Recognition of Occluded 3D Objects has been accepted for the ICRA 2023 conference in London (with Hamidreza Kasaei, Ming Cao, Rineke Verbrugge)

Argument & Computation Community Resources paper (2023)

Cor Steging has described two data sets in a paper in the Argument & Computation Community Resources (ACCR) corner: `Arguments, rules and cases in law: Resources for aligning learning and reasoning in structured domains' (with Silja Renooij and Trevor Bench-Capon).

Dissertation defence with workshop (2023)

On Monday January 30, 2023 (11:00), Hamed Ayoobi defends his dissertation `Explain What You See: Argumentation-Based Learning and Robotic Vision' in the aula of the University of Groningen (in the academy building). And after that a workshop in celebration (14:00-17:00). You are welcome to join us.

KWG Wintersymposium (2023)

The Wintersymposium of the KWG (Koninklijk Wiskundig Genootschap) is devoted to artificial intelligence. I will deliver a lecture entitled Wiskunde voor goede kunstmatige intelligentie (in Dutch; Academiegebouw Utrecht, January 14, 2023).

JURIX paper (2022)

Unpacking arguments (with Trevor Bench-Capon)

Invited talk (Paris, Campus Concercet) (2022)

Invited talk `Algorithmic Law as Computational Argumentation' at the International Symposium on Compliance for Algorithmic Law (SCALGO 2022)

Graduate course (Hangzhou/online) (2022)

Winter school AI & Law at Zhejiang Unverisity (Guanghua Law school)

Talk (Hangzhou/online) (2022)

Talk at Global AI Technology Conference (Hangzhou/online, prerecorded)

SAFA workshop paper (2022)

A Labeling Based Backtracking Solver for Abstract Argumentation (with Lukas Kinder, Matthias Thimm). This paper is based on Lukas Kinder's BSc thesis and was presented by him at SAFA 2022.

ArgXAI@COMMA paper (2022)

Wijnand van Woerkom presents the paper `Justification in case-based reasoning' at ArgXAI@COMMA 2022 (with Davide Grossi and Henry Prakken)

COMMA paper (2022)

How complex is the strong admissibility semantics for abstract dialectical frameworks? (with Atefeh Keshavarzi Zafarghandi, Wolfgang Dvořák and Rineke Verbrugge)

BNAIC/BENELEARN 2022 FACt session: FACulty focusing on the FACts of Artificial Intelligence (2022)

Speakers: Khalid Al Khatib (University of Groningen), Joost Vennekens (KU Leuven), Gianluca Bontempi (Université Libre de Bruxelles) (co-organised with Réka Markovich, Gilles Louppe, Tom Lenaerts)

Workshop talk (2022)

Talk `Innovating artificial intelligence by looking at the law' at workshop celebrating Masha Medvedeva's PhD dissertation defence (as member of the reading committee)

Leiden Legal Technologies Program (2022)

Two contributions: B: Rechtsinformatica en rechts-AI, C: AI-systemen voor juridische logica en argumentatie

Discussion meeting (2022)

Talk at discussion meeting with Prof.dr. Jaap Hage and his PhD students (Hester van der Kaaij 2016, Antonia Waltermann 2016, Ronald Leenes 1999, Arno Lodder 1998, Bart Verheij 1996)

Commentaries (2022)

In an overview paper Thirty years of Artificial Intelligence and Law: the first decade coauthored withGuido Governatori, Trevor Bench-Capon, Michal Araszkiewicz, Enrico Francesconi and Matthias Grabmair, I contributed two commentaries, one on the 1993 paper `Hard cases: A procedural approach' by Jaap Hage, Ronald Leenes and Arno Lodder, and one on the 1995 paper `Rationales and argument moves' by Ronald Loui and Jeff Norman.

Talk at workshop in Regensburg (2022)

At the workshop Reasoning and uncertainty: probabilistic, logical, and psychological perspectives organized by Niki Pfeifer (University of Regensburg), Hans Rott (University of Regensburg), and Giuseppe Sanfilippo (University of Palermo), I will give a talk entitled `Arguments, scenarios and probabilities as tools for reasoning and uncertainty'.

Book chapter (2022)

The chapter The Study of Artificial Intelligence as Law was published in the book Law and Artificial Intelligence. Regulating AI and Applying AI in Legal Practice (edited by Bart Custers and Eduard Fosch-Villaronga). The chapter is an adapted version of AI as Law.

HHAI 2022 papers (2022)

Wijnand van Woerkom's paper Landmarks in Case-based Reasoning: From Theory to Data (with Davide Grossi and Henry Prakken) was accepted and presented at the HHAI 2022 conference as a full paper. Cor Steging's extended abstract Discovering the Rationale of Decisions (with Silja Renooij) was accepted and presented.

HHAI 2022 workshop (2022)

Workshop HI ESDiT Collaboration on AI, Human Values and the Law at HHAI 2022, the first international conference on Hybrid Human-Artificial Intelligence

Keynote lecture (2022)

Lecture `Knowledge Representation for Hybrid Reasoning with Arguments and Evidence' at the 1st International Workshop on Knowledge Representation for Hybrid Intelligence (KR4HI) at the first international conference on Hybrid Human-Artificial Intelligence (HHAI 2022)

Online talk (2022)

In the OSCMART Online Seminar on Computational Models of Argument series (May 31, 2022)

Grolog/AI colloquium (2022)

Joost J. Joosten (University of Barcelona): Model checking and formally verified software for temporal quantitative regulations (May 18, 2022)

Journal of Autonomous Agents and Multi-Agent Systems paper (2022)

Higher-order theory of mind is especially useful in unpredictable negotiations (with Harmen de Weerd and Rineke Verbrugge)

Call for papers (2022)

COMMA 2022: 9th International Conference on Computational Models of Argument (Cardiff).
Submission deadline: 3rd of May 2022 (anywhere on earth)

Keynote speaker (2022)

Lecture `Hybrid intelligence for algorithmic law design' at the conference on Algorithmic Law Design and Implementation (April 28 and 29, 2022; University of Barcelona)

Dissertation defence with workshop (2022)

On Tuesday April 19, 2022 (11:00), Atefeh Keshavarzi Zafarghandi defends her dissertation `Abstract Dialectical Frameworks. Semantics, Discussion Games, and Variations' in the aula of the University of Groningen (in the academy building). And after that a workshop in celebration (14:00-17:00). You are welcome to join us.

Online talk (2022)

Artificial intelligence and argumentation: an update (@Matthias Thimm's Artificial Intelligence Group, University of Hagen, March 31, 2022)

Contribution to liber amicorum Peter van Koppen (2020/2022)

Stories about Evidence (with Floris Bex)

Opgave AI. De nieuwe systeemtechnologie (2022)

Discussiebijeenkomst Institute for Advanced Study (IAS, Universiteit van Amsterdam) en Wetenschappelijke Raad voor het Regeringsbeleid (WRR)

Editorial Argument & Computation (2022)

Towards an inclusive, responsible and sustainable open access model (with Pietro Baroni)

Digital Law Forum, University of Alberta/Gathertown (2022)

Panel member and talk `AI as Law', February 15, 2022

Robotics and Autonomous Systems journal paper (2022 online)

Local-HDP: Interactive Open-ended 3D Object Category Recognition in Real-Time Robotic Scenarios (with Hamed Ayoobi, Hamidreza Kasaei, Ming Cao, Rineke Verbrugge)

IEEE ICMLA conference paper (2021)

Argue to Learn: Accelerated Argumentation-Based Learning (with Hamed Ayoobi, Ming Cao, Rineke Verbrugge)

JURIX paper (2021)

Rationale Discovery and Explainable AI (with Cor Steging and Silja Renooij)

JURIX 2021 proceedings (2021)

The proceedings of the JURIX 2021 conference have been published (open access).

Hybrid Intelligence project meeting (2021)

Responsible Hybrid Intelligence research line meeting (December 15, 2021, online)

Joint AICOL-XAILA workshop @ JURIX 2021 (Vilnius/online) (2021)

A new edition of the EXplainable & Responsible AI in Law (XAILA) Workshop series

LNAI paper (2021)

Logical Comparison of Cases (with Heng Zheng, Davide Grossi)

17th ARGDIAP conference (2021)

Reasoned Argumentation. Legal, Computational and Linguistic Perspectives (online) (conference chair Michał Araszkiewicz, program chair Bart Verheij)

IEEE Transactions on Automation Science and Engineering journal paper (2021 online)

Argumentation-Based Online Incremental Learning (with Hamed Ayoobi, Ming Cao, Rineke Verbrugge)

Argument & Computation journal paper (2021 online)

Strong Admissibility for Abstract Dialectical Frameworks (with Atefeh Keshavarzi Zafarghandi and Rineke Verbrugge)

BNAIC/BENELEARN 2021 FACt session: FACulty focusing on the FACts of Artificial Intelligence (2022)

Speakers: Benoit Macq (UCLouvain), Gilles Louppe (University of Liège), Christoph Schommer (Université du Luxembourg) (co-organised with Réka Markovich, Tom Lenaerts)

Invited lecture workshop Different perspectives on argumentation (2021)

Rule-based Arguments Grounded in Cases (October 29, 2021, online/(Comenius University in Bratislava); commentator: Daniela Glavaničová)

4TU.Ethics bi-annual conference (2021)

Panel Hybrid Intelligence/Ethics of Socially Disruptive Technologies Gravitation projects (HI/ESDiT) collaboration on AI, human values and the law (October 14-15, 2021, online)

Contribution to liber amicorum Jaap van den Herik (2021)

A Second Coffeehouse Conversation on the Van den Herik Test

Talk at symposium preceding valedictory lecture Prof. dr. H.J. van den Herik (October 8) (2021)

Rekenen met recht

SIKS course lecture (2021)

Explainable AI and Law (September 22, 2021, online)

Hybrid Intelligence project meeting (2021)

Responsible Hybrid Intelligence research line meeting (September 15, 2021, online)

Argumentation journal (2021)

Douglas Neil Walton (1942 - 2020) (with Erik Krabbe)

The 18th International Conference on Artificial Intelligence and Law (ICAIL 2021, Sao Paulo) (2021)

With paper presentations by Heng Zheng (Hardness of Case-Based Decisions: a Formal Theory; with Davide Grossi) and by Cor Steging (Discovering the Rationale of Decisions: Towards a Method for Aligning Learning and Reasoning; with Silja Renooij)

XAILA2021@ICAIL (June 22, 2021)

The 4th International Workshop on eXplainable and Responsible AI and Law at the ICAIL 2021 conference (coorganized with Grzegorz J. Nalepa, Michał Araszkiewicz and Martin Atzmueller). With a paper presentations by Cor Steging (Discovering the Rationale of Decisions: Experiments on Aligning Learning and Reasoning; with Silja Renooij)

The First International Workshop on Logics for New-Generation Artificial Intelligence (LNGAI 2021, Hangzhou) (2021)

With a presentation by Heng Zheng on A formal approach to case comparison in case-based reasoning: research abstract (with Davide Grossi)

ICAIL paper (2021)

Hardness of Case-Based Decisions: a Formal Theory (with Heng Zheng, Davide Grossi)

ICAIL paper (2021)

Discovering the Rationale of Decisions: Towards a Method for Aligning Learning and Reasoning' (with Cor Steging and Silja Renooij)

arXiv preprint (2021)

Discovering the Rationale of Decisions: Experiments on Aligning Learning and Reasoning (with Cor Steging, Silja Renooij)

XAILA2021@ICAIL call for papers (2021)

The 4th International Workshop on eXplainable and Responsible AI and Law (XAILA2021@ICAIL) at the ICAIL 2021 conference (coorganized with Grzegorz J. Nalepa, Michał Araszkiewicz and Martin Atzmueller).
Submission deadline: May 18, 2021

Leiden Legal Technologies Program (2021)

Two contributions: B: Rechtsinformatica en rechts-AI, C: AI-systemen voor juridische logica en argumentatie

SAC paper (2021)

Strong Admissibility for Abstract Dialectical Frameworks (with Atefeh Keshavarzi Zafarghandi and Rineke Verbrugge)

Chapter in Research Handbook on Big Data Law (2021)

Rules, cases and arguments in artificial intelligence and law (with Heng Zheng; handbook editor Roland Vogl, CodeX, Stanford).

Demo video (2021)

Hamed Ayoobi posted a demonstration video of interactive 3D object recognition, described in this arXiv preprint

arXiv preprint (2020)

Strong Admissibility for Abstract Dialectical Frameworks (with Atefeh Keshavarzi Zafarghandi, Rineke Verbrugge)

XAILA workshop paper (2020)

Precedent Comparison in the Precedent Model Formalism: Theory and Application to Legal Cases (with Heng Zheng and Davide Grossi)

JURIX conference paper (2020)

Precedent Comparison in the Precedent Model Formalism: A Technical Note (with Heng Zheng and Davide Grossi)

XAILA workshop at JURIX (December 9, 2020)

The EXplainable & Responsible AI in Law (XAILA) Workshop at JURIX 2020 (coorganized with Grzegorz J. Nalepa, Michał Araszkiewicz and Martin Atzmueller)

Hybrid Intelligence project meeting (2020)

Workshop Hybrid Intelligence: The Good, the Bad and the Ugly (December 4, 2020, online)

ECA 2019 proceedings (2020)

The proceedings of ECA 2019 - the 3rd European Conference on Argumentation in Groningen are now available (with Jan Albert van Laar, Henrike Jansen and Catarina Dutilh Novaes)

BNAIC/BENELEARN 2020 FACt session: FACulty focusing on the FACts of Artificial Intelligence (Friday, November 20, online/Leiden) (2020)

Speakers: Nico Roos (Maastricht University), Yingqian Zhang (Eindhoven University of Technology), Luc de Raedt (KU Leuven) (co-organised with Tom Lenaerts)

Argument & Computation journal call for papers (2020)

25 years since Douglas Walton's "Argumentation Schemes for Presumptive Reasoning" (guest editor Fabrizio Macagno)

COMMA paper (2020)

Case-Based Reasoning with Precedent Models: Preliminary Report (with Heng Zheng and Davide Grossi)

COMMA paper (2020)

A Discussion Game for the Grounded Semantics of Abstract Dialectical Frameworks (with Atefeh Keshavarzi Zafarghandi and Rineke Verbrugge)

arXiv preprint (2020)

Local-HDP: Interactive Open-Ended 3D Object Categorization (with Hamed Ayoobi, Hamidreza Kasaei, Ming Cao, Rineke Verbrugge)

TopiCS in Cognitive Science journal paper (2020)

Analyzing the Simonshaven Case With and Without Probabilities

Vacancy: PhD position (Utrecht) (2020)

PhD position in Hybrid Intelligence (Utrecht University): Explaining data-driven decisions with legal, ethical or social impact to end-users (supervisors Henry Prakken, UU; Davide Grossi, RUG; Bart Verheij, RUG) (application deadline: August 31, 2020)

Computer journal paper (2020)

A Research Agenda for Hybrid Intelligence: Augmenting Human Intellect by Collaborative, Adaptive, Responsible and Explainable Artificial Intelligence (with the Hybrid Intelligence project partners)

Artificial Intelligence & Law journal article (2020)

Artificial intelligence as law. Presidential address to the seventeenth international conference on artificial intelligence and law

Argument & Computation journal special issue (2020)

On the acceptability of arguments and its fundamental role in nonmonotonic reasoning, logic programming and n-person games: 25 years later (with Pietro Baroni, Francesca Toni) (see A&C newsletter)

In memoriam Douglas N. Walton (2020)

In memoriam Douglas N. Walton: the influence of Doug Walton on AI and law (in the Artificial Intelligence & Law journal; with Katie Atkinson, Trevor Bench-Capon, Floris Bex, Thomas Gordon, Henry Prakken, Giovanni Sartor)

Open position Human-Computer Collaboration (2020)

Tenure Track Assistant Professor in the Cognitive Modeling group of the Department of Artificial Intelligence (application deadline July 1, 2020)

Open position Cognitive & Behavioural Robotics (2020)

Tenure Track Assistant Professor in Autonomous Perceptive Systems group of the Department of Artificial Intelligence (application deadline July 1, 2020)

Call for papers (2020)

COMMA 2020: 8th International Conference on Computational Models of Argument (Perugia, September 8-11, 2020). Deadline (extended): May 8, 2020.

Virtual Master Day (April 3) (2020)

Masters Artificial Intelligence and Human-Machine Communication (videos also @Youtube)

Artificial Intelligence & Law journal special issue (2020)

Special issue - Evidence & decision making in the law: theoretical, computational and empirical approaches (with Marcello Di Bello)

Open PhD positions (2020)

9 PhD scholarship positions (involving mathematics, computer science and AI) @DSSC_Groningen The Centre for Data Science and Systems Complexity, including one on Responsible Processing of Natural Language Data (with Fatih Turkmen and Arianna Bisazza)

Volkskrant opinion (2020)

The Netherlands, take the AI opportunity, now, responsibly! (with Jeroen van den Hoven and Holger Hoos, in Dutch)

Public discussion on AI strategy in parliament committee (2020)

Hoorzitting / rondetafelgesprek Strategisch Actieplan voor Artificiële Intelligentie (Vaste kamercommissie Economie en Klimaat (see this position paper) (February 20, 2020)

27 PhD vacancies in Zwaartekracht project Hybrid Intelligence (HI): augmenting human intellect (2020)

Research on collaborative, adaptive, responsible, explainable hybrid intelligence, i.e., combinations of human and machine intelligence. Collaboration of six universities in the Netherlands. Ten year project, nineteen million euros, good resources, diversity. Groningen AI department supervisors: Davide Grossi, Rineke Verbrugge (co-applicant/member executive board), Bart Verheij (coordinator responsible HI)

AI exhibition Groningen Forum (2020)

Workshops `Playing with AI' (by Groningen AI students, supported by SV Cover)

JURIX paper (2019)

A Comparison of Two Hybrid Methods for Analyzing Evidential Reasoning (with Ludi van Leeuwen)

NWO AI Research Agenda (2019)

NWO AI Research Agenda for the Netherlands (AIREA-NL)

AI Interactive workshop: Machine Learning, AI, Data Science, and Complex Systems – similarities, differences and how we can work together (November 20-22, Brussels) (2019)

A Good Artificial Intelligence for our Complex World (invited lecture)

BNAIC/BENELEARN 2019 paper (Thursday, November 7, Brussels) (2019)

The XAI Paradox: systems that perform well for the wrong reasons (with Cor Steging and Lambert Schomaker)

BNAIC/BENELEARN 2019 abstract (Thursday, November 7, Brussels) (2019)

Handling Unforeseen Failures Using Argumentation-Based Learning (with Hamed Ayoobi, Ming Cao, Rineke Verbrugge; abstract of CASE 2019 paper)

BNAIC/BENELEARN 2019 FACt session: FACulty focusing on the FACts of Artificial Intelligence (Thursday, November 7, Brussels) (2019)

Speakers: Dirk Heylen (University of Twente), Holger Hoos (Leiden University), Silja Renooij (Utrecht University) (co-organised with Tom Lenaerts)

Atefeh Keshavarzi Zafarghandi speaks at Logic and Interactive Rationality session (LIRa; ILLC, University of Amsterdam) (October 31, 2019)

Discussion Games for Preferred Semantics of Abstract Dialectical Frameworks (see her recent ECSQARU 2019 paper)

TechTalks050 (Groningen, September 30) (2019)

AI en recht - Robotisering in de rechtszaal (AI and law – Robotization in the courtroom; in Dutch)

Zwaartekracht grant Hybrid Intelligence: augmenting human intellect (2019)

The AI department participates in the recently awarded NWO Zwaartekracht project Hybrid Intelligence (Rineke Verbrugge co-applicant/member executive board, Bart Verheij coordinator responsible HI, Davide Grossi)

ECSQARU 2019 paper (Belgrade, September, 18-20) (2019)

Discussion Games for Preferred Semantics of Abstract Dialectical Frameworks (with Atefeh Keshavarzi Zafarghandi, Rineke Verbrugge)

Invited talk University of Brescia (September 12-13) (2019)

On Computational Argumentation, and the Path to a Responsible Artificial Intelligence (at the Dipartimento di Ingegneria dell' Informazione Università degli Studi di Brescia)

CASE 2019 paper (Vancouver, August 22-26) (2019)

Handling Unforeseen Failures Using Argumentation-Based Learning (with Hamed Ayoobi, Ming Cao, Rineke Verbrugge)

ISIPTA 2019 paper (Ghent, July 3-6) (2019)

Embedding Probabilities, Utilities and Decisions in a Generalization of Abstract Dialectical Frameworks (with Atefeh Keshavarzi Zafarghandi, Rineke Verbrugge)

ECA 2019 organisation (Groningen, June 24-27) (2019)

3rd European Conference on Argumentation - ECA 2019: Reason to Dissent (with Jan Albert van Laar, Henrike Jansen and Catarina Dutilh Novaes)

Presidential address ICAIL 2019 (Montreal, June 19) (2019)

Artificial Intelligence as Law

ICAIL 2019 (Montreal, June 17-21) (2019)

17th International Conference on Artificial Intelligence and Law (ICAIL 2019) (Montreal, Canada)

Panel member AI and Legal Practice (2019)

`What AI can and cannot do currently', 2nd ICAIL Workshop on AI and Legal Practice, Montreal, June 17, 2019

Vacancies: tenure track positions (all levels) (2019)

In cognitive artificial intelligence (in particular explainable AI, cognitive and behavioral robotics, responsible AI) and human computer interaction and visualisation (in particular human-computer collaboration). Currently available as Rosalind Franklin Fellowships aimed at female researchers, expected to be opened more widely. Please get in touch if you are interested (send email).

Talk at Logic and Interactive Rationality session (LIRa; ILLC, University of Amsterdam) (May 23, 2019)

Artificial Intelligence and the Logic of Argumentation

Call for papers special issue Argument and Computation journal (2019)

25 years since Dung's paper on abstract argumentation (submission deadline May 20, 2019, extended)

Invited graduate course Central South University, Changsha (2019)

Spring School on Artificial Intelligence and Law at the at the Central South University, Changsha (with Floris Bex and Enrico Francesconi)

Conference Central South University, Changsha (2019)

`Legal Artificial Intelligence Research Frontiers', Central South University, Changsha (report)

Lecture study day argumentation platform (VIOT) (2019)

Argumentation and Artificial Intelligence (in Dutch; February 13, 2019; Huize Heyendael, Nijmegen)

Inaugural lecture (full text and slides) (2018)

Arguments for Good Artificial Intelligence (text in the original Dutch and in English translation)

JURIX 2018 (2018)

Checking the Validity of Rule-Based Arguments Grounded in Cases: A Computational Approach (with Heng Zheng and Minghui Xiong)

JURIX 2018 organisation (Groningen, December 12-14) (2018)

The 31st international conference on Legal Knowledge and Information Systems (with Monica Palmirani, Henry Prakken, Jeanne Mifsud Bonnici)

Keynote lecture at the EXplainable AI in Law (XAILA) 2018 Workshop (2018)

Keynote lecture `Good AI and Law' (at the EXplainable AI in Law (XAILA) Workshop at JURIX)

The Hague Conference `Data science voor societal challenges' (2018)

Speaker in session `Agenda setting: shaping the national data agenda' on behalf of the Groningen Centre for Data Science and Systems Complexity (DSSC)

Opening research institute (November 1) (2018)

Bernoulli Institute for Mathematics, Computer Science and Artificial Intelligence

Keynote lecture, panel chair (2018)

Keynote lecture `Good AI and Law', chair of panel `Artificial Intelligence Applied: Real Life Examples' (at the II International Congress of Law, Government and Technology in Brasilia, Brazil)

Invited lecture (2018)

Invited lecture `Good AI and Law' (at Lawgorithm, University of São Paulo, Brazil)

ECA 2017 conference paper (2018)

On Coherent Arguments And Their Inferential Roles (with commentary by Mathieu Beirlaen)

Handbook chapter (2018)

Chapter `Evidential Reasoning' (in the Handbook of Legal Reasoning and Argumentation; with Marcello Di Bello)

Handbook chapter (2018)

Chapter `Argumentation Theory in Formal and Computational Perspective' (in the Handbook of Formal Argumentation; with Frans van Eemeren)

Dutch AI Manifesto (@IPN SIG AI, @BNVKI) (2018)

The IPN Special Interest Group AI has written a Dutch AI Manifesto emphasising three research focus areas for the coming decades: Socially-Aware AI, Explainable AI and Responsible AI.

Shanghai event (2018)

AI and Law, Bestone, Shanghai

Invited Orient Forum lecture Zhejiang University (Hangzhou) (2018)

Road to `Good Artificial Intelligence': Argumentation Systems (at the Institute of Logic and Cognition)

Invited graduate course Sun Yat-Sen University (2018)

Spring School on Argumentation in Artificial Intelligence and Law at the Institute of Logic and Cognition, Sun Yat-Sen University, Guangzhou (with Henry Prakken and Giovanni Sartor)

Stanford CodeX FutureLaw conference (2018)

Legal Innovation Lightning Round, speaker (invited)

Filosofisch café Groningen (2018)

Lecture and discussion Argumenten voor een goede kunstmatige intelligentie (Arguments for good artificial intelligence); in Dutch

Artificial Intelligence and Law journal (2018)

Research in Progress: Report on the ICAIL 2017 Doctoral Consortium (with candidates Maria Dymitruk, Réka Markovich, Rūta Liepiņa, Mirna El Ghosh, Robert van Doesburg and co-organiser Guido Governatori)

BNAIC 2017 (November 8-9, 2017)

The 29th Benelux Conference on Artificial Intelligence (Groningen) (cochair with Marco Wiering; download the conference poster)

Invited talk (October 11-12, 2017)

Workshop on Legal evidence and argumentation (ArgLab, Lisbon). Title of talk: Proof With and Without Probabilities

Studium Generale Groningen event `The Fiction of Reality' (September 18, 2017)

Dinner with speakers (`kennisdiner' with historian Jan Blaauw, medical researcher Désirée Goubert, `theatermaakster' Sarah Moeremans). Location: Grand Theatre. Catering: Kruimels. Report `Arguing over dinner' in the Universiteitskrant in English and in Dutch.

Inaugural lecture (September 12, 2017)

Argumenten voor goede kunstmatige intelligentie (Arguments for good artificial intelligence) (see the text)

Vacancies: fully funded PhD positions in artificial intelligence and argumentation (Apply before July 15, 2017)

Projects The value of data and Home robotics
- In your motivation letter, you should apply for a specific project or projects.
- There are restrictions: you should not have resided or carried out your main activity in The Netherlands for more than 12 months in the three years before July 15, 2017.

ICAIL 2017 conference paper (2017)

Formalizing Arguments, Rules and Cases

ICAIL 2017 Doctoral Consortium (2017)

Doctoral consortium candidates Maria Dymitruk, Réka Markovich, Rūta Liepiņa, Mirna El Ghosh, Robert van Doesburg

Workshop King's College, London (2017)

Evidence & Decision Making in the Law: Theoretical, Computational and Empirical Approaches (organized with Marcello Di Bello)

Artificial Intelligence and Law journal special issue (2017)

Special issue Artificial Intelligence for Justice (AI4J) (with Floris Bex, Henry Prakken and Tom van Engers)

Artificial Intelligence and Law journal paper (2017)

Proof With and Without Probabilities. Correct Evidential Reasoning with Presumptive Arguments, Coherent Hypotheses and Degrees of Uncertainty

Journal of Autonomous Agents and Multi-Agent Systems paper (2017)

Negotiating with Other Minds. The Role of Recursive Theory of Mind in Negotiation with Incomplete Information (with Harmen de Weerd and Rineke Verbrugge)

Dissertation defence (2017)

On Wednesday February 1, 2017, Sjoerd Timmer
defends his dissertation `Designing and Understanding Forensic Bayesian Networks using Argumentation' in Utrecht.

International Journal of Approximate Reasoning journal paper (2017)

A two-phase method for extracting explanatory arguments from Bayesian networks (with Sjoerd Timmer, John-Jules Meyer, Henry Prakken and Silja Renooij)

JURIX conference paper on ethical systems design (2016)

Arguments for Ethical Systems Design

Artificial Intelligence and Law journal paper on ethical systems design (2016)

Formalizing Value-Guided Argumentation for Ethical Systems Design

JELIA conference paper (2016)

Correct Grounded Reasoning with Presumptive Arguments

Final symposium NWO Forensic Science research program (2016)

Presentation of the research project on statistics, argumentation and scenarios in forensic reasoning (report by ZonMW in Dutch)

Invited researcher at the Isaac Newton Institute for Mathematical Sciences, University of Cambridge (2016)

Scientific programme Probability and Statistics in Forensic Science

Workshop and dissertation defence (2016)

Friday October 28, 2016: Dissertation defence Charlotte Vlek (press report, download dissertation)
Thursday October 27, 2016: Workshop Beyond a Reasonable Doubt: Scenarios and Bayesian Networks for Analyzing Forensic Evidence

Invited graduate course Second Summer School of Argumentation (2016)

University of Potsdam, Campus Griebnitzsee

Artificial Intelligence for Justice, workshop at ECAI (2016)

The Hague, August 30, 2016

Argument and Computation journal (2016)

First open access issue online

Artificial Intelligence and Law journal paper (2016)

A Method for Explaining Bayesian Networks for Legal Evidence with Scenarios (with Charlotte Vlek, Henry Prakken and Silja Renooij)

Stanford CodeX FutureLaw conference (2016)

Computational Law Update, speaker (invited)

Faculty Spotlight talk (2016)

Arguments for Understanding our Complex World

Law, Probability and Risk journal paper (2016)

Arguments, Scenarios and Probabilities: Connections Between Three Normative Frameworks for Evidential Reasoning (with Floris Bex, Sjoerd Timmer, Charlotte Vlek, John-Jules Meyer, Silja Renooij and Henry Prakken)

Book Virtual Arguments, Chinese translation (2016)

China University of Political Science and Law Press, series editor Professor Minghui Xiong (Sun Yat-Sen University, Institute of Logic and Cognition), translation Wu Zhou

PhD defense Harmen de Weerd and associated mini-symposium (2015)

Harmen de Weerd's dissertation: 'If You Know What I Mean. Agent-Based Models for Understanding The Function of Higher-Order Theory of Mind' (promotor: Rineke Verbrugge, copromotor: Bart Verheij)

Workshop Bielefeld, Germany (2015)

Models of Rational Proof in Criminal Law (organized by Floris Bex, Anne Ruth Mackor and Henry Prakken; with support from our NWO Forensic Science project)

Workshop University of San Diego, California (2015)

Studying Evidence in the Law - ICAIL 2015 Workshop: Formal, Computational and Philosophical Methods

Stanford CodeX FutureLaw conference 2015 (2015)

Panel New Breakthroughs in Computational Law, invited moderator

Workshop University of Groningen (2015)

Forensic Relevance of Bayesian Networks (language: Dutch)

Keynote lecture SMART Cognitive Science International Colloquium, Communication and Agency workshop (2015)

Arguments, scenarios and probabilities: how to catch a thief with and without numbers

Presentation at the Effacts LegalTech event, Amsterdam (2015)

Argumentation Technology, Or: How the Law Is Changing Artificial Intelligence

Handbook of Argumentation Theory (2014)

with a chapter on Argumentation and Artificial Intelligence

COMMA 2014 conference paper (2014)

Arguments and Their Strength: Revisiting Pollock's Anti-Probabilistic Starting Points

Law, Probability and Risk journal paper (2014)

To Catch a Thief With and Without Numbers: Arguments, Scenarios and Probabilities in Evidential Reasoning

Invited speaker 8th International Workshop on Juris-informatics (JURISIN, Keio University, Tokyo) (2014)

The Future of Argumentation Technology, as guided by the needs of the law

Keynote lecture 9th International Conference on Forensic Inference and Statistics (2014)

To Catch a Thief With and Without Numbers

Artificial Intelligence and Law journal paper (2014)

Building Bayesian Networks for Legal Evidence with Narratives: a Case Study Evaluation(with Charlotte Vlek, Henry Prakken and Silja Renooij)

Stanford event (2014)

Trial With and Without Mathematics. Legal, Philosophical and Computational Perspectives. 2014 Stanford Symposium on Law and Rationality

Invited lecturing Sun Yat-Sen University (2013)

Invited graduate course "Argumentation in Artificial Intelligence, With Applications in the Law" at the Institute of Logic and Cognition, Sun Yat-Sen University, Guangzhou

BNAIC 2013 conference paper (2013)

Inference and Attack in Bayesian Networks (with Sjoerd Timmer, John-Jules Meyer, Henry Prakken and Silja Renooij)

Computational Narrative workshop (2013)

Workshop on Computational Models of Narrative (Hamburg, Germany, August 4-6, 2013), with a paper/presentation by Charlotte Vlek: Representing and Evaluating Legal Narratives with Subscenarios in a Bayesian Network

ICAIL 2013 conference paper (2013)

Modeling Crime Scenarios in a Bayesian Network (with Charlotte Vlek, Henry Prakken, and Silja Renooij)

Artificial Intelligence journal paper (2013)

How Much Does it Help to Know What she Knows you Know? An Agent-Based Simulation Study (with Harmen de Weerd and Rineke Verbrugge)

Program chair (2013)

The Fourteenth International Conference on Artificial Intelligence and Law (ICAIL 2013) Rome, Italy, June 10-14, 2013

AI & Law journal paper (2013)

Legal Stories and the Process of Proof (with Floris Bex)

Journal paper ICAIL@25 (2012)

A history of AI and Law in 50 papers: 25 years of the international conference on AI and Law (with many coauthors; ed. Trevor Bench-Capon)

JELIA conference paper (2012)

Jumping to Conclusions. A Logico-Probabilistic Foundation for Defeasible Rule-Based Arguments

Forensic Science symposium (2012)

1st Symposium NWO Forensic Science (NFI Field Lab, The Hague, September 18, 2012)

Program chair (2012)

The Fourth International Conference on Computational Models of Argument (COMMA 2012) Vienna, Austria, September 10-12, 2012

Argumentation journal paper (2012)

Solving a Murder Case by Asking Critical Questions: An Approach to Fact-Finding in Terms of Argumentation and Story Schemes (with Floris Bex)