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An Instruction Tuning-Based Contrastive Learning Framework for Aspect Sentiment Quad Prediction with Implicit Aspects and Opinions

Aspect sentiment quad prediction (ASQP) is crucial in aspect-based sentiment analysis (ABSA). It involves identifying a text’s aspect,sentiment, opinion, and category. Existing methods have insufficiently explored how to effectively leverage the knowledge of pre-trainedlanguage models (PLMs) to hand…