Tobias Werner


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2023

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ML Mob at SemEval-2023 Task 1: Probing CLIP on Visual Word-Sense Disambiguation
Clifton Poth | Martin Hentschel | Tobias Werner | Hannah Sterz | Leonard Bongard
Proceedings of the 17th International Workshop on Semantic Evaluation (SemEval-2023)

Successful word sense disambiguation (WSD)is a fundamental element of natural languageunderstanding. As part of SemEval-2023 Task1, we investigate WSD in a multimodal setting,where ambiguous words are to be matched withcandidate images representing word senses. Wecompare multiple systems based on pre-trainedCLIP models. In our experiments, we findCLIP to have solid zero-shot performance onmonolingual and multilingual data. By em-ploying different fine-tuning techniques, we areable to further enhance performance. However,transferring knowledge between data distribu-tions proves to be more challenging.

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ML Mob at SemEval-2023 Task 5: “Breaking News: Our Semi-Supervised and Multi-Task Learning Approach Spoils Clickbait”
Hannah Sterz | Leonard Bongard | Tobias Werner | Clifton Poth | Martin Hentschel
Proceedings of the 17th International Workshop on Semantic Evaluation (SemEval-2023)

Online articles using striking headlines that promise intriguing information are often used to attract readers. Most of the time, the information provided in the text is disappointing to the reader after the headline promised exciting news. As part of the SemEval-2023 challenge, we propose a system to generate a spoiler for these headlines. The spoiler provides the information promised by the headline and eliminates the need to read the full article. We consider Multi-Task Learning and generating more data using a distillation approach in our system. With this, we achieve an F1 score up to 51.48% on extracting the spoiler from the articles.