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A Human-Like Semantic Cognition Network for Aspect-Level Sentiment Classification

机译:用于方面情绪分类的人类语义认知网络

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In this paper, we propose a novel Human-like Semantic Cognition Network (HSCN) for aspect-level sentiment classification, motivated by the principles of human beings' reading cognitive process (pre-reading, active reading, post-reading). We first design a word-level interactive perception module to capture the correlation between context words and the given target words, which can be regarded as pre-reading. Second, to mimic the process of active reading, we propose a target-aware semantic distillation module to produce the target-specific context representation for aspect-level sentiment prediction. Third, we further devise a semantic deviation metric module to measure the semantic deviation between the target-specific context representation and the given target, which evaluates the degree we understand the target-specific context semantics. The measured semantic deviation is then used to fine-tune the above active reading process in a feedback regulation way. To verify the effectiveness of our approach, we conduct extensive experiments on three widely used datasets. The experiments demonstrate that HSCN achieves impressive results compared to other strong competitors.
机译:在本文中,我们提出了一种新颖的人类语义认知网络(HSCN),用于方面情绪分类,受到人类阅读认知过程的原则的动机(预阅读,主动阅读,读数后)。我们首先设计一个单独的交互式感知模块,以捕获上下文单词与给定目标词之间的相关性,可以被视为预读数。其次,为了模仿活动读数的过程,我们提出了一个目标感知语义蒸馏模块,以产生针对方面情绪预测的目标特定的上下文表示。第三,我们进一步设计了语义偏差度量模块来测量目标特定上下文表示和给定目标之间的语义偏差,这会评估我们理解目标特定上下文语义的程度。然后使用测量的语义偏差来微调以反馈调节方式进行上述主动读取过程。为了验证我们的方法的有效性,我们对三个广泛使用的数据集进行了广泛的实验。实验表明,与其他强大竞争对手相比,HSCN达到了令人印象深刻的结果。

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