Papers by Marcus Kornmann
VeriTaS: The First Dynamic Benchmark for Multimodal Automated Fact-Checking (2026.acl-long)
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| Challenge: | Existing benchmarks for evaluating AFC systems are limited in terms of task scope, modalities, domain, language diversity, realism, or coverage of misinformation types. |
| Approach: | They propose to use Verified Theses and Statements (VeriTaS) to evaluate AFC systems that are static and subject to data leakage as claims enter pretraining corpora. |
| Outcome: | The proposed system is robust under large-scale pretraining of foundation models and can be updated in the future. |