UoR-NCL at SemEval-2025 Task 1: Using Generative LLMs and CLIP Models for Multilingual Multimodal Idiomaticity Representation

• URL: http://arxiv.org/abs/2502.20984v2
• Date: Thu, 06 Mar 2025 15:36:48 GMT
• Title: UoR-NCL at SemEval-2025 Task 1: Using Generative LLMs and CLIP Models for Multilingual Multimodal Idiomaticity Representation
• Authors: Thanet Markchom, Tong Wu, Liting Huang, Huizhi Liang,
• Abstract summary: SemEval-2025 Task 1 focuses on ranking images based on their alignment with a given nominal compound.<n>This work uses generative large language models (LLMs) and multilingual CLIP models to enhance idiomatic compound representations.
• Score: 4.830594923821009
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: SemEval-2025 Task 1 focuses on ranking images based on their alignment with a given nominal compound that may carry idiomatic meaning in both English and Brazilian Portuguese. To address this challenge, this work uses generative large language models (LLMs) and multilingual CLIP models to enhance idiomatic compound representations. LLMs generate idiomatic meanings for potentially idiomatic compounds, enriching their semantic interpretation. These meanings are then encoded using multilingual CLIP models, serving as representations for image ranking. Contrastive learning and data augmentation techniques are applied to fine-tune these embeddings for improved performance. Experimental results show that multimodal representations extracted through this method outperformed those based solely on the original nominal compounds. The fine-tuning approach shows promising outcomes but is less effective than using embeddings without fine-tuning. The source code used in this paper is available at https://github.com/tongwu17/SemEval-2025-Task1-UoR-NCL.

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