Events
2026^
-
Touché @ CLEF 2026
Workshop. Lab hosting four shared tasks on argumentation systems, held in conjunction with the 27th Conference and Labs of the Evaluation Forum (CLEF 2026), co-organized by Johannes Kiesel, Marc Feger, Tim Hagen, Sebastian Heineking, Maximilian Heinrich, Maik Fröbe, Martin Potthast, and Benno Stein. Jena, Germany. -
Fallacy Detection @ Touché/CLEF 2026
Shared Task. Determine if and in which way an argument is fallacious, held as part of the 7th Touché Lab on Argumentation Systems (Touché @ CLEF 2026), co-organized by Maximilian Heinrich, Maik Fröbe, Benno Stein, and Johannes Kiesel. Jena, Germany. -
Method Sharing Retreat (MESHARE) @ WebSci 2026
Tutorial. Learn how to submit to Methods Hub using your own method, held in conjunction with the 18th ACM Web Science Conference (WebSci 2026), co-organized by Muhammad Taimoor Khan, Ran Yu, Felix Münch, Fakhri Momeni, Stephan Linzbach, Arnim Bleier, and Johannes Kiesel. Braunschweig, Germany. -
INFUSE @ ECIR2026
Workshop. First Workshop on INFormation access in Uncertainty ScEnarios (INFUSE 2026), held in conjunction with the 48th European Conference on Information Retrieval (ECIR 2026), co-organized by Alisa Rieger, Amir Ebrahimi Fard, Johanne Trippas, Nicolas Mattis, and Ran Yu. Delft, Netherlands. -
R2CASS 2026 @ WebConf 2026
Workshop. 2nd International Workshop on Social Science Meets Web Data: Reproducible and Reusable Computational Approaches (R2CASS 2026), held in conjunction with the ACM Web Conference (WebConf 2026), co-organized by Fakhri Momeni, Arnim Bleier, Danilo Dessi, and Muhammad Taimoor Khan. Dubai, United Arab Emirates.
2025^
-
Interactive Knowledge Assistance Track (iKAT) @ TREC 2025
Shared Task. Build conversational agents that respond to users' immediate queries but adapt their responses based on the cumulative context of the interaction, held in conjunction with the 34th Text Retrieval Conference (TREC 2025), co-organized by Mohammad Aliannejadi, Zahra Abbasiantaeb, Simon Lupart, Nailia Mirzakhmedova, Marcel Gohsen, Johannes Kiesel, and Jeff Dalton. Online. -
Touché @ CLEF 2025
Workshop. Lab hosting four shared tasks on argumentation systems, held in conjunction with the 26th Conference and Labs of the Evaluation Forum (CLEF 2025), co-organized by Johannes Kiesel, Çağrı Çöltekin, Marcel Gohsen, Sebastian Heineking, Maximilian Heinrich, Maik Fröbe, Tim Hagen, Martin Potthast, and Benno Stein. Madrid, Spain. data publications slides -
Image Retrieval/Generation for Arguments @ Touché+ImageCLEF/CLEF 2025
Shared Task. Retrieve or generate images that help to convey central aspects of claims, held as part of the 6th Touché Lab on Argumentation Systems (Touché @ CLEF 2025), co-organized by Maximilian Heinrich, Johannes Kiesel, Moritz Wolter, Martin Potthast, and Benno Stein. Madrid, Spain. data publications -
Retrieval-Augmented Debating @ Touché/CLEF 2025
Shared Task. Build conversational agents that argue against a debate partner and to evaluate such systems automatically, held as part of the 6th Touché Lab on Argumentation Systems (Touché @ CLEF 2025), co-organized by Marcel Gohsen, Nailia Mirzakhmedova, Harrisen Scells, Mohammad Aliannejadi, Maik Fröbe, Johannes Kiesel, and Benno Stein. Madrid, Spain. data publications -
Methods Hub @ Methoden 2025
Workshop. Interactive workshop on the Methods Hub held in conjunction with the DGPuK Jahrestagung der Fachgruppe Methoden (Methoden 2025), co-organized by Felix Victor Münch, Fakhri Momeni, Muhammad Taimoor Khan, and Chung-hong Chan. Salzgitter, Germany. -
Hands-on Methods Hub @ MethodsNET 2025
Tutorial. Hands-on session on the Methods Hub held in conjunction with the 2nd MethodsNET Conference (MethodsNET 2025), co-organized by Fakhri Momeni, Felix Victor Münch, Chung-hong Chan, and Muhammad Taimoor Khan. Louvain-la-Neuve, Belgium. -
R2CASS 2025 @ ICWSM 2025
Workshop. 1st International Workshop on Social Science Meets Web Data: Reproducible and Reusable Computational Approaches (R2CASS 2025), held in conjunction with the International AAAI Conference on Web and Social Media (ICWSM 2025), co-organized by Fakhri Momeni, Muhammad Taimoor Khan, Arnim Bleier, and Tony Ross-Hellauer. Copenhagen, Denmark. -
IWILDS @ WSDM 2025
Workshop. 5st International Workshop on Investigating Learning During Web Search (IWILDS 2025), held in conjunction with the 18th ACM International Conference on Web Search and Data Mining (WSDM 2025), co-organized by Anett Hoppe, Ran Yu, Jiqun Liu, and Nilavra Bhattacharya. Hannover, Germany. publications
2024^
-
SCAI 2024 @ CHIIR 2024
Workshop. 8th Workshop on Search-Oriented Conversational Artificial Intelligence (SCAI 2024), held in conjunction with the 9th ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR 2024), co-organized by Alexander Frummet, Andrea Papenmeier, Maik Fröbe, and Johannes Kiesel. Sheffield, United Kingdom. publications -
Introduction to Machine Learning @ Bauhaus-Universität Weimar
Teaching. M.Sc. course on concepts and methods of machine learning in Winter term 24/25 lectured by Johannes Kiesel. Weimar, Germany. slides -
Using AI in Everyday Life at the University @ Bauhaus-Universität Weimar
Teaching. Training seminar in 2024 lectured by Benno Stein, Johannes Kiesel, and Marcel Gohsen. Weimar, Germany. slides -
Understanding to Stay in Control: Using, Assessing, and Mastering AI @ Jahrestagung eTeach-Netzwerk Thüringen
Invited Talk. Keynote by Benno Stein and Johannes Kiesel. Jena, Germany. slides -
Wie lernen Computer? @ Kinderuni Weimar 2024/25
Teaching. Invited lecture at the Kinderuni Weimar lectured by Benno Stein and Johannes Kiesel. Weimar, Germany. slides -
Touché @ CLEF 2024
Workshop. Lab hosting three shared tasks on argumentation systems, held in conjunction with the 25th Conference and Labs of the Evaluation Forum (CLEF 2024), co-organized by Johannes Kiesel, Çağrı Çöltekin, Maximilian Heinrich, Maik Fröbe, Martin Potthast, Henning Wachsmuth, and Benno Stein. Grenoble, France. data poster publications slides -
ValueEval @ Touché/CLEF 2024
Shared Task. Detect the prevalent human values in texts and the values' valence, held as part of the 5th Touché Lab on Argumentation Systems (Touché @ CLEF 2024), co-organized by Johannes Kiesel, Milad Alshomary, Nailia Mirzakhmedova, Nicolas Handke, Bertrand De Longueville, Theresa Reitis-Münstermann, Mario Scharfbillig, Nicolas Stefanovitch, Henning Wachsmuth, and Benno Stein. Grenoble, France. data publications -
Image Retrieval/Generation for Arguments @ Touché+ImageCLEF/CLEF 2024
Shared Task. Retrieve or generate images per topic and stance that show support for that stance, held as part of the 5th Touché Lab on Argumentation Systems (Touché @ CLEF 2024), co-organized by Maximilian Heinrich, Johannes Kiesel, Martin Potthast, and Benno Stein. Grenoble, France. data publications
2023^
-
Touché @ CLEF 2023
Workshop. Lab hosting four shared tasks on argumentation systems, held in conjunction with the 24th Conference and Labs of the Evaluation Forum (CLEF 2023), co-organized by Alexander Bondarenko, Maik Fröbe, Johannes Kiesel, Ferdinand Schlatt, Jan Heinrich Reimer, Valentin Barriere, Léo Hemamou, Simon Luck, Brian Ravenet, Benno Stein, Martin Potthast, and Matthias Hagen. Thessaloniki, Greece. data publications slides -
Image Retrieval for Arguments @ Touché/CLEF 2023
Shared Task. Retrieve images per topic and stance that show support for that stance, held as part of the 4th Touché Lab on Argumentation Systems (Touché @ CLEF 2023), co-organized by Johannes Kiesel, Maik Fröbe, Martin Potthast, and Benno Stein. Thessaloniki, Greece. data publications -
Open Web Search And its Use to Find Arguments Against Populist Claims @ JRC DISINFO Workshop 2023
Invited Talk. Talk by Johannes Kiesel. Brussels, Belgium. slides -
ValueEval @ Touché/SemEval 2023
Shared Task. Detect the prevalent human values in arguments, held as part of the 17th International Workshop on Semantic Evaluation (SemEval 2023), co-organized by Johannes Kiesel, Milad Alshomary, Nailia Mirzakhmedova, Maximilian Heinrich, Nicolas Handke, Henning Wachsmuth, and Benno Stein. Toronto, Canada. data publications slides video -
IWILDS @ CHIIR 2023
Workshop. 4th International Workshop on Investigating Learning During Web Search (IWILDS 2023), held in conjunction with the 8th ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR 2023), co-organized by Anett Hoppe, Ran Yu, Jiqun Liu, and Nilavra Bhattacharya. Austin, Texas. publications
2022^
-
Touché @ CLEF 2022
Workshop. Lab hosting three shared tasks on argumentation systems, held in conjunction with the 23th Conference and Labs of the Evaluation Forum (CLEF 2022), co-organized by Alexander Bondarenko, Maik Fröbe, Johannes Kiesel, Shahbaz Syed, Timon Gurcke, Meriem Beloucif, Alexander Panchenko, Chris Biemann, Benno Stein, Henning Wachsmuth, Martin Potthast, and Matthias Hagen. Bologna, Italy. data publications slides -
Image Retrieval for Arguments @ Touché/CLEF 2022
Shared Task. Retrieve images per topic and stance that show support for that stance, held as part of the 3th Touché Lab on Argumentation Systems (Touché @ CLEF 2022), co-organized by Johannes Kiesel, Martin Potthast, and Benno Stein. Bologna, Italy. data publications -
IWILDS @ SIGIR 2022
Workshop. 3rd International Workshop on Investigating Learning During Web Search (IWILDS 2022), held in conjunction with the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2022), co-organized by Anett Hoppe, Jiqun Liu, and Ran Yu. Madrid, Spain. publications
2021^
-
IWILDS @ CIKM 2021
Workshop. 2nd International Workshop on Investigating Learning During Web Search (IWILDS 2021), held in conjunction with the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), co-organized by Anett Hoppe, Irina Brich, Jiqun Liu, and Ran Yu. Online. publications -
SCAI QReCC Shared Task 2021 @ SCAI 2021
Shared Task. Answer a series of contextually-dependent questions like they may occur in natural human-to-human conversations, held as part of the 6th Search-Oriented Conversational AI Workshop (SCAI 2021), co-organized by Maik Fröbe, Johannes Kiesel, and Svitlana Vakulenko. Online. data publications
2020^
-
OASE
Conference. Co-organized by Nicholas Fraser, Philipp Mayr, Fakhri Momeni, and Isabella Peters as part of the BMBF OASE project (Open Access Effects). Online. -
IWILDS @ CIKM 2020
Workshop. 1st International Workshop on Investigating Learning During Web Search (IWILDS 2020), held in conjunction with the 29th ACM International Conference on Information and Knowledge Management (CIKM 2020), co-organized by Anett Hoppe, Ran Yu, Yvonne Kammerer, and Ladislao Salmerón. Online. publications
2019^
-
First International Workshop on Search as Learning with Multimedia Information @ ACMMM19
Workshop. Search as Learning with Multimedia Information workshop (SALMM 2019), held in conjunction with the 27th ACM International Conference on Multimedia (ACMMM19), co-organized by Ralph Ewerth, Stefan Dietze, Anett Hoppe, and Ran Yu. Nice, France. publications -
Hyperpartisan News Detection @ PAN/SemEval 2019
Shared Task. Decide whether news articles exhibit blind, prejudiced, or unreasoning allegiance to one party, faction, cause, or person, held as part of the 13th International Workshop on Semantic Evaluation (SemEval 2019), co-organized by Johannes Kiesel, Martin Potthast, Maria Mestre, Rishabh Shukla, Benno Stein, David Corney, Emmanuel Vincent, and Payam Adineh. Minneapolis, USA. data publications video -
LILE 2019 @ WebSci 2019
Workshop. 8th International Workshop on Learning and Education with Web Data (LILE 2019), held in conjunction with the 11th ACM Conference on Web Science (WebSci 2019), co-organized by Ran Yu, Mathieu D’Aquin, Dragan Gasevic, Joachim Kimmerle, Eelco Herder, and Ralph Ewerth. Boston, USA. publications
2018^
-
Setting the News Straight Through Technology @ Studienstiftung des deutschen Volkes Akademie
Teaching. Workshop on Fake News detection technology by Matthias Hagen, Johannes Kiesel, and Martin Potthast. Greifswald, Germany.