Martin Potthast
2026
Overview of PAN 2026: Voight-Kampff Generative AI Detection, Text Watermarking, Multi-author Writing Style Analysis, Generative Plagiarism Detection, and Reasoning Trajectory Detection.
2025
Overview of PAN 2025: Voight-Kampff Generative AI Detection, Multilingual Text Detoxification, Multi-author Writing Style Analysis, and Generative Plagiarism Detection.
Overview of ImageCLEF 2025: Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications.
Bogdan Ionescu|Henning Müller|Dan-Cristian Stanciu|Alexandra-Georgiana Andrei|Ahmedkhan Radzhabov|Yuri Prokopchuk|Liviu-Daniel Stefan|Mihai Gabriel Constantin|Mihai Dogariu|Vassili Kovalev|Hendrik Damm|Johannes Rückert|Asma Ben Abacha|Alba Garcia Seco de Herrera|Christoph M. Friedrich|Louise Bloch|Raphael Brüngel|Ahmad Idrissi-Yaghir|Henning Schäfer|Cynthia Sabrina Schmidt|Tabea Margareta Grace Pakull|Benjamin Bracke|Obioma Pelka|Bahadir Eryilmaz|Helmut Becker|Wen-Wai Yim|Noel Codella|Roberto A. Novoa|Josep Malvehy|Dimitar Dimitrov|Rocktim Jyoti Das|Zhuohan Xie|Ming Shan Hee|Preslav Nakov|Ivan Koychev|Steven Alexander Hicks|Sushant Gautam|Michael A. Riegler|Vajira Thambawita|Pål Halvorsen|Diandra Fabre|Cécile Macaire|Benjamin Lecouteux|Didier Schwab|Martin Potthast|Maximilian Heinrich|Johannes Kiesel|Moritz Wolter|Sharat Anand|Benno Stein
Overview of Touché 2025: Argumentation Systems.
Johannes Kiesel|Çagri Çöltekin|Marcel Gohsen|Sebastian Heineking|Maximilian Heinrich|Maik Fröbe|Tim Hagen|Mohammad Aliannejadi|Sharat Anand|Tomaz Erjavec|Matthias Hagen|Matyás Kopp|Nikola Ljubesic|Katja Meden|Nailia Mirzakhmedova|Vaidas Morkevicius|Harrisen Scells|Moritz Wolter|Ines Zelch|Martin Potthast|Benno Stein
Overview of the "Voight-Kampff" Generative AI Authorship Verification Task at PAN and ELOQUENT 2025.
Janek Bevendorff|Yuxia Wang|Jussi Karlgren|Matti Wiegmann|Maik Fröbe|Akim Tsivgun|Jinyan Su|Zhuohan Xie|Mervat Abassy|Jonibek Mansurov|Rui Xing|Minh Ngoc Ta|Kareem Ashraf Elozeiri|Tianle Gu|Raj Vardhan Tomar|Jiahui Geng|Ekaterina Artemova|Artem Shelmanov|Nizar Habash|Efstathios Stamatatos|Iryna Gurevych|Preslav Nakov|Martin Potthast|Benno Stein
Overview of Touché 2025: Argumentation Systems.
Johannes Kiesel|Çagri Çöltekin|Marcel Gohsen|Sebastian Heineking|Maximilian Heinrich|Maik Fröbe|Tim Hagen|Mohammad Aliannejadi|Sharat Anand|Tomaz Erjavec|Matthias Hagen|Matyás Kopp|Nikola Ljubesic|Katja Meden|Nailia Mirzakhmedova|Vaidas Morkevicius|Harrisen Scells|Moritz Wolter|Ines Zelch|Martin Potthast|Benno Stein
Overview of PAN 2025: Generative AI Detection, Multilingual Text Detoxification, Multi-author Writing Style Analysis, and Generative Plagiarism Detection - Extended Abstract.
ImageCLEF 2025: Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications.
Bogdan Ionescu|Henning Müller|Dan-Cristian Stanciu|Ahmad Idrissi-Yaghir|Ahmedkhan Radzhabov|Alba García Seco de Herrera|Alexandra Andrei|Andrea M. Storås|Asma Ben Abacha|Benjamin Bracke|Benjamin Lecouteux|Benno Stein|Cécile Macaire|Christoph M. Friedrich|Cynthia Sabrina Schmidt|Diandra Fabre|Didier Schwab|Dimitar Dimitrov|Emmanuelle Esperança-Rodier|Mihai Gabriel Constantin|Helmut Becker|Hendrik Damm|Henning Schäfer|Ivan Rodkin|Ivan Koychev|Johannes Kiesel|Johannes Rückert|Josep Malvehy|Liviu-Daniel Stefan|Louise Bloch|Martin Potthast|Maximilian Heinrich|Michael A. Riegler|Mihai Dogariu|Noel Codella|Pål Halvorsen|Preslav Nakov|Raphael Brüngel|Roberto A. Novoa|Rocktim Jyoti Das|Steven Alexander Hicks|Sushant Gautam|Tabea Margareta Grace Pakull|Vajira Thambawita|Vassili Kovalev|Wen-Wai Yim|Zhuohan Xie
Overview of Touché 2025: Argumentation Systems - Extended Abstract.
Large Language Model Relevance Assessors Agree With One Another More Than With Human Assessors.
2024
Impact and development of an Open Web Index for open web search.
Michael Granitzer|Stefan Voigt|Noor Afshan Fathima|Martin Golasowski|Christian Guetl|Tobias Hecking|Gijs Hendriksen|Djoerd Hiemstra|Jan Martinovic|Jelena Mitrovic|Izidor Mlakar|Stavros Moiras|Alexander Nussbaumer|Per Öster|Martin Potthast|Marjana Sencar Srdic|Sharikadze Megi|Katerina Slaninová|Benno Stein|Arjen P. de Vries|Vít Vondrák|Andreas Wagner|Saber Zerhoudi
Overview of PAN 2024: Multi-author Writing Style Analysis, Multilingual Text Detoxification, Oppositional Thinking Analysis, and Generative AI Authorship Verification Condensed Lab Overview.
Abinew Ali Ayele|Nikolay Babakov|Janek Bevendorff|Xavier Bonet Casals|Berta Chulvi|Daryna Dementieva|Ashaf Elnagar|Dayne Freitag|Maik Fröbe|Damir Korencic|Maximilian Mayerl|Daniil Moskovskiy|Animesh Mukherjee|Alexander Panchenko|Martin Potthast|Francisco Rangel|Naquee Rizwan|Paolo Rosso|Florian Schneider|Alisa Smirnova|Efstathios Stamatatos|Elisei Stakovskii|Benno Stein|Mariona Taulé|Dmitry Ustalov|Xintong Wang|Matti Wiegmann|Seid Muhie Yimam|Eva Zangerle
Overview of the ImageCLEF 2024: Multimedia Retrieval in Medical Applications.
Bogdan Ionescu|Henning Müller|Ana-Maria Dragulinescu|Johannes Rückert|Asma Ben Abacha|Alba García Seco de Herrera|Louise Bloch|Raphael Brüngel|Ahmad Idrissi-Yaghir|Henning Schäfer|Cynthia Sabrina Schmidt|Tabea Margareta Grace Pakull|Hendrik Damm|Benjamin Bracke|Christoph M. Friedrich|Alexandra-Georgiana Andrei|Yuri Prokopchuk|Dzmitry Karpenka|Ahmedkhan Radzhabov|Vassili Kovalev|Cécile Macaire|Didier Schwab|Benjamin Lecouteux|Emmanuelle Esperança-Rodier|Wen-Wai Yim|Yujuan Fu|Zhaoyi Sun|Meliha Yetisgen|Fei Xia|Steven Alexander Hicks|Michael A. Riegler|Vajira Thambawita|Andrea M. Storås|Pål Halvorsen|Maximilian Heinrich|Johannes Kiesel|Martin Potthast|Benno Stein
Overview of Touché 2024: Argumentation Systems.
Johannes Kiesel|Çagri Çöltekin|Maximilian Heinrich|Maik Fröbe|Milad Alshomary|Bertrand De Longueville|Tomaz Erjavec|Nicolas Handke|Matyás Kopp|Nikola Ljubesic|Katja Meden|Nailia Mirzakhmedova|Vaidas Morkevicius|Theresa Reitis-Münstermann|Mario Scharfbillig|Nicolas Stefanovitch|Henning Wachsmuth|Martin Potthast|Benno Stein
Overview of Touché 2024: Argumentation Systems.
Johannes Kiesel|Çagri Çöltekin|Maximilian Heinrich|Maik Fröbe|Milad Alshomary|Bertrand De Longueville|Tomaz Erjavec|Nicolas Handke|Matyás Kopp|Nikola Ljubesic|Katja Meden|Nailia Mirzakhmedova|Vaidas Morkevicius|Theresa Reitis-Münstermann|Mario Scharfbillig|Nicolas Stefanovitch|Henning Wachsmuth|Martin Potthast|Benno Stein
Overview of Touché 2024: Argumentation Systems.
Johannes Kiesel|Çagri Çöltekin|Maximilian Heinrich|Maik Fröbe|Milad Alshomary|Bertrand De Longueville|Tomaz Erjavec|Nicolas Handke|Matyás Kopp|Nikola Ljubesic|Katja Meden|Nailia Mirzakhmedova|Vaidas Morkevicius|Theresa Reitis-Münstermann|Mario Scharfbillig|Nicolas Stefanovitch|Henning Wachsmuth|Martin Potthast|Benno Stein
Overview of PAN 2024: Multi-author Writing Style Analysis, Multilingual Text Detoxification, Oppositional Thinking Analysis, and Generative AI Authorship Verification - Extended Abstract.
Janek Bevendorff|Xavier Bonet Casals|Berta Chulvi|Daryna Dementieva|Ashraf Elnagar|Dayne Freitag|Maik Fröbe|Damir Korencic|Maximilian Mayerl|Animesh Mukherjee|Alexander Panchenko|Martin Potthast|Francisco Rangel|Paolo Rosso|Alisa Smirnova|Efstathios Stamatatos|Benno Stein|Mariona Taulé|Dmitry Ustalov|Matti Wiegmann|Eva Zangerle
Advancing Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications with ImageCLEF 2024.
Bogdan Ionescu|Henning Müller|Ana-Maria Claudia Dragulinescu|Ahmad Idrissi-Yaghir|Ahmedkhan Radzhabov|Alba Garcia Seco de Herrera|Alexandra Andrei|Alexandru Stan|Andrea M. Storås|Asma Ben Abacha|Benjamin Lecouteux|Benno Stein|Cécile Macaire|Christoph M. Friedrich|Cynthia S. Schmidt|Didier Schwab|Emmanuelle Esperança-Rodier|George Ioannidis|Griffin Adams|Henning Schäfer|Hugo Manguinhas|Ioan Coman|Johanna Schöler|Johannes Kiesel|Johannes Rückert|Louise Bloch|Martin Potthast|Maximilian Heinrich|Meliha Yetisgen|Michael A. Riegler|Neal Snider|Pål Halvorsen|Raphael Brüngel|Steven Alexander Hicks|Vajira Thambawita|Vassili Kovalev|Yuri Prokopchuk|Wen-Wai Yim
2023
Report on the Dagstuhl Seminar on Frontiers of Information Access Experimentation for Research and Education.
Christine Bauer|Ben Carterette|Nicola Ferro|Norbert Fuhr|Joeran Beel|Timo Breuer|Charles L. A. Clarke|Anita Crescenzi|Gianluca Demartini|Giorgio Maria Di Nunzio|Laura Dietz|Guglielmo Faggioli|Bruce Ferwerda|Maik Fröbe|Matthias Hagen|Allan Hanbury|Claudia Hauff|Dietmar Jannach|Noriko Kando|Evangelos Kanoulas|Bart P. Knijnenburg|Udo Kruschwitz|Meijie Li|Maria Maistro|Lien Michiels|Andrea Papenmeier|Martin Potthast|Paolo Rosso|Alan Said|Philipp Schaer|Christin Seifert|Damiano Spina|Benno Stein|Nava Tintarev|Julián Urbano|Henning Wachsmuth|Martijn C. Willemsen|Justin Zobel
Overview of PAN 2023: Authorship Verification, Multi-Author Writing Style Analysis, Profiling Cryptocurrency Influencers, and Trigger Detection - Condensed Lab Overview.
Overview of PAN 2023: Authorship Verification, Multi-author Writing Style Analysis, Profiling Cryptocurrency Influencers, and Trigger Detection - Extended Abstract.
2022
Report on the 13th Conference and Labs of the Evaluation Forum (CLEF 2022): Experimental IR Meets Multilinguality, Multimodality, and Interaction.
Overview of PAN 2022: Authorship Verification, Profiling Irony and Stereotype Spreaders, and Style Change Detection.
Overview of PAN 2022: Authorship Verification, Profiling Irony and Stereotype Spreaders, Style Change Detection, and Trigger Detection - Extended Abstract.
2021
Overview of PAN 2021: Authorship Verification, Profiling Hate Speech Spreaders on Twitter, and Style Change Detection.
Overview of PAN 2021: Authorship Verification, Profiling Hate Speech Spreaders on Twitter, and Style Change Detection - Extended Abstract.
2020
Overview of PAN 2020: Authorship Verification, Celebrity Profiling, Profiling Fake News Spreaders on Twitter, and Style Change Detection.
2019
Overview of PAN 2019: Bots and Gender Profiling, Celebrity Profiling, Cross-Domain Authorship Attribution and Style Change Detection.
2018
2017
2016
Who Wrote the Web? Revisiting Influential Author Identification Research Applicable to Information Retrieval.
Martin Potthast|Sarah Braun|Tolga Buz|Fabian Duffhauss|Florian Friedrich|Jörg Marvin Gülzow|Jakob Köhler|Winfried Lötzsch|Fabian Müller|Maike Elisa Müller|Robert Paßmann|Bernhard Reinke|Lucas Rettenmeier|Thomas Rometsch|Timo Sommer|Michael Träger|Sebastian Wilhelm|Benno Stein|Efstathios Stamatatos|Matthias Hagen