Acquired TASTE: Multimodal Stance Detection with Textual and Structural Embeddings

• URL: http://arxiv.org/abs/2412.03681v3
• Date: Wed, 11 Dec 2024 20:08:44 GMT
• Title: Acquired TASTE: Multimodal Stance Detection with Textual and Structural Embeddings
• Authors: Guy Barel, Oren Tsur, Dan Vilenchik,
• Abstract summary: Stance detection plays a pivotal role in enabling an extensive range of downstream applications, from discourse parsing to tracing the spread of fake news and the denial of scientific facts. We introduce TASTE -- a multimodal architecture for stance detection that harmoniously fuses Transformer-based content embedding with unsupervised structural embedding. TASTE achieves state-of-the-art results on common benchmarks, significantly outperforming an array of strong baselines.
• Score: 5.229806149125529
• License:
• Abstract: Stance detection plays a pivotal role in enabling an extensive range of downstream applications, from discourse parsing to tracing the spread of fake news and the denial of scientific facts. While most stance classification models rely on textual representation of the utterance in question, prior work has demonstrated the importance of the conversational context in stance detection. In this work we introduce TASTE -- a multimodal architecture for stance detection that harmoniously fuses Transformer-based content embedding with unsupervised structural embedding. Through the fine-tuning of a pretrained transformer and the amalgamation with social embedding via a Gated Residual Network (GRN) layer, our model adeptly captures the complex interplay between content and conversational structure in determining stance. TASTE achieves state-of-the-art results on common benchmarks, significantly outperforming an array of strong baselines. Comparative evaluations underscore the benefits of social grounding -- emphasizing the criticality of concurrently harnessing both content and structure for enhanced stance detection.

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