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- W4382603208 abstract "Multimodal Sentiment Analysis leverages multimodal signals to detect the sentiment of a speaker. Previous approaches concentrate on performing multimodal fusion and representation learning based on general knowledge obtained from pretrained models, which neglects the effect of domain-specific knowledge. In this paper, we propose Contrastive Knowledge Injection (ConKI) for multimodal sentiment analysis, where specific-knowledge representations for each modality can be learned together with general knowledge representations via knowledge injection based on an adapter architecture. In addition, ConKI uses a hierarchical contrastive learning procedure performed between knowledge types within every single modality, across modalities within each sample, and across samples to facilitate the effective learning of the proposed representations, hence improving multimodal sentiment predictions. The experiments on three popular multimodal sentiment analysis benchmarks show that ConKI outperforms all prior methods on a variety of performance metrics." @default.
- W4382603208 created "2023-06-30" @default.
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- W4382603208 date "2023-06-27" @default.
- W4382603208 modified "2023-10-16" @default.
- W4382603208 title "ConKI: Contrastive Knowledge Injection for Multimodal Sentiment Analysis" @default.
- W4382603208 doi "https://doi.org/10.48550/arxiv.2306.15796" @default.
- W4382603208 hasPublicationYear "2023" @default.
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