Papers by Yamen Ajjour
Visualization of the Topic Space of Argument Search Results in args.me (D18-2)
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Yamen Ajjour, Henning Wachsmuth, Dora Kiesel, Patrick Riehmann, Fan Fan, Giuliano Castiglia, Rosemary Adejoh, Bernd Fröhlich, Benno Stein
| Challenge: | args.me is the first search engine for controversial topics . it ranks pro and con arguments by their relevance to a topic . |
| Approach: | They propose a visualization interface for result exploration that provides an overview of main aspects in a barycentric coordinate system. |
| Outcome: | The proposed search engine is the first dedicated argument search engine on the web. |
ArgBench: Benchmarking LLMs on Computational Argumentation Tasks (2026.findings-acl)
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| Challenge: | Argumentation skills are an essential toolkit for large language models (LLMs). |
| Approach: | They propose a benchmark to evaluate the generalizability of five LLM families across 46 computational argumentation tasks. |
| Outcome: | The proposed benchmark evaluates the generalizability of five LLM families across 46 computational argumentation tasks covering mining arguments, assessing perspectives, evaluating argument quality, reasoning about arguments, and generating arguments. |
Topic Ontologies for Arguments (2023.findings-eacl)
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| Challenge: | Many computational argumentation tasks, such as stance classification, are topic-dependent. |
| Approach: | They map the argumentation landscape using the World Economic Forum, Wikipedia and Debatepedia as sources for argument topics. |
| Outcome: | The argument ontology is the first comprehensive assessment of argument topics in argument corpora. |
Modeling Frames in Argumentation (D19-1)
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| Challenge: | In argumentation, framing is used to emphasize a specific aspect of a topic while concealing others. |
| Approach: | They propose an unsupervised method for framing arguments into non-overlapping frames . authors propose a corpus of 12, 326 debate-portal arguments organized along the frames of debates' topics . |
| Outcome: | The proposed method outperforms baselines on the argumentation task by 0.28 points. |