Publications
2025
2024
You Are a Bot!--Studying the Development of Bot Accusations on Twitter
Dennis Assenmacher, Leon Fröhling, Claudia Wagner
2024 • Proceedings of the International AAAI Conference on Web and Social Media, Vol. 18, pp. 113--125
The Unseen Targets of Hate: A Systematic Review of Hateful Communication Datasets
Zehui Yu, Indira Sen, Dennis Assenmacher, Mattia Samory, Leon Fröhling, Christina Dahn, Debora Nozza, Claudia Wagner
2024 • Social Science Computer Review
Sexism Detection on a Data Diet
Rabiraj Bandyopadhyay, Dennis Assenmacher, Jose M. Alonso-Moral, Claudia Wagner
2024 • Companion Publication of the 16th ACM Web Science Conference, Association for Computing Machinery, pp. 94–102
Multilingual Bot Accusations: How Different Linguistic Contexts Shape Perceptions of Social Bots
Leon Fröhling, Xiaofei Li, Dennis Assenmacher
2024 • Proceedings of the 4th Workshop on Computational Linguistics for the Political and Social Sciences, Association for Computational Lingustics
AI-Generated Faces in the Real World: A Large-Scale Case Study of Twitter Profile Images
Jonas Ricker, Dennis Assenmacher, Thorsten Holz, Asja Fischer, Erwin Quiring
2024 • Proceedings of the 27th International Symposium on Research in Attacks, Intrusions and Defenses, Association for Computing Machinery, pp. 513–530
A Systematic Review of the Effects of AI-Assisted Moderation on Individuals and Groups
Zehui Yu, Lukas Otto, Dennis Assenmacher, Claudia Wagner
2024 • Human-Machine Communication, Vol. 9, No. 1, pp. 10
2023
The End of the Rehydration Era The Problem of Sharing Harmful Twitter Research Data
Dennis Assenmacher, Indira Sen, Leon Fröhling, Claudia Wagner
2023 • Workshop Proceedings of the International AAAI Conference on Web and Social Media, Vol. 17, pp. 1093--1101
People Make Better Edits: Measuring the Efficacy of LLM-Generated Counterfactually Augmented Data for Harmful Language Detection
Indira Sen, Dennis Assenmacher, Mattia Samory, Isabelle Augenstein, Wil van der Aalst, Claudia Wagner
2023 • Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing, Association for Computational Linguistics, pp. 10480--10504
Just Another Day on Twitter: A Complete 24 Hours of Twitter Data
Jürgen Pfeffer, Daniel Matter, Kokil Jaidka, Onur Varol, Afra Mashhadi, Jana Lasser, Dennis Assenmacher, Siqi Wu, Diyi Yang, Cornelia Brantner, Daniel M. Romero, Jahna Otterbacher, Carsten Schwemmer, Kenneth Joseph, David Garcia, Fred Morstatter
2023 • Proceedings of the International AAAI Conference on Web and Social Media, Vol. 17, No. 1, pp. 1073-1081
Invasion@ Ukraine: Providing and Describing a Twitter Streaming Dataset That Captures the Outbreak of War Between Russia and Ukraine in 2022
Janina Susanne Pohl, Simon Markmann, Dennis Assenmacher, Christian Grimme
2023 • Proceedings of the International AAAI Conference on Web and Social Media, Vol. 17, pp. 1093--1101
2022
Textual One-Pass Stream Clustering with Automated Distance Threshold Adaption
Dennis Assenmacher, Heike Trautmann
2022 • Intelligent Information and Database Systems: 14th Asian Conference, ACIIDS 2022, Springer-Verlag, pp. 3–16
Artificial Social Media Campaign Creation for Benchmarking and Challenging Detection Approaches
Janina Susanne Pohl, Dennis Assenmacher, Moritz Vincent Seiler, Heike Trautmann, Christian Grimme
2022 • Workshop Proceedings of the 16^th International Conference on Web and Social Media
2021
RP-Mod & RP-Crowd: Moderator- and Crowd-Annotated German News Comment Datasets
Dennis Assenmacher, Marco Niemann, Kilian Muller, Moritz Seiler, Dennis Riehle, Heike Trautmann, Heike Trautmann
2021 • Proceedings of the Neural Information Processing Systems Track on Datasets and Benchmarks, Vol. 1
2020
Towards Real-Time and Unsupervised Campaign Detection in Social Media
Dennis Assenmacher, Lena Adam, Heike Trautmann, Christian Grimme
2020 • FLAIRS 2020 - Proceedings of the 33rd International Florida Artificial Intelligence Research Society Conference, AAAI Press, pp. 303-306
Demystifying Social Bots: On the Intelligence of Automated Social Media Actors
Dennis Assenmacher, Lena Clever, Lena Frischlich, Thorsten Quandt, Heike Trautmann, Christian Grimme
2020 • Social Media + Society
Building an Integrated Comment Moderation System -- Towards a Semi-automatic Moderation Tool
Dennis M. Riehle, Marco Niemann, Jens Brunk, Dennis Assenmacher, Heike Trautmann, Jorg Becker
2020 • Social Computing and Social Media. Participation, User Experience, Consumer Experience, and Applications of Social Computing, Springer International Publishing, pp. 71--86
Abusive Comments in Online Media and How to Fight Them
Marco Niemann, Jens Welsing, Dennis M Riehle, Jens Brunk, Dennis Assenmacher, Jörg Becker
2020 • Disinformation in Open Online Media, Springer International Publishing, pp. 122--137
A Two-Phase Framework for Detecting Manipulation Campaigns in Social Media
Dennis Assenmacher, Lena Clever, Janina Susanne Pohl, Heike Trautmann, Christian Grimme
2020 • Social Computing and Social Media. Design, Ethics, User Behavior, and Social Network Analysis, Springer International Publishing, pp. 201--214
2018
Changing Perspectives: Is It Sufficient to Detect Social Bots?
Christian Grimme, Dennis Assenmacher, Lena Adam
2018 • Social Computing and Social Media. User Experience and Behavior, Springer International Publishing, pp. 445--461
2017
Stream Clustering of Chat Messages with Applications to Twitch Streams
Matthias Carnein, Dennis Assenmacher, Heike Trautmann
2017 • Proceedings of the 36th International Conference on Conceptual Modeling (ER '17), Springer International Publishing, pp. 79--88