CogAlign: Learning to Align Textual Neural Representations to Cognitive Language Processing Signals

• URL: http://arxiv.org/abs/2106.05544v3
• Date: Tue, 14 Nov 2023 07:42:42 GMT
• Title: CogAlign: Learning to Align Textual Neural Representations to Cognitive Language Processing Signals
• Authors: Yuqi Ren and Deyi Xiong
• Abstract summary: We propose a CogAlign approach to integrate cognitive language processing signals into natural language processing models. We show that CogAlign achieves significant improvements with multiple cognitive features over state-of-the-art models on public datasets.
• Score: 60.921888445317705
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Most previous studies integrate cognitive language processing signals (e.g., eye-tracking or EEG data) into neural models of natural language processing (NLP) just by directly concatenating word embeddings with cognitive features, ignoring the gap between the two modalities (i.e., textual vs. cognitive) and noise in cognitive features. In this paper, we propose a CogAlign approach to these issues, which learns to align textual neural representations to cognitive features. In CogAlign, we use a shared encoder equipped with a modality discriminator to alternatively encode textual and cognitive inputs to capture their differences and commonalities. Additionally, a text-aware attention mechanism is proposed to detect task-related information and to avoid using noise in cognitive features. Experimental results on three NLP tasks, namely named entity recognition, sentiment analysis and relation extraction, show that CogAlign achieves significant improvements with multiple cognitive features over state-of-the-art models on public datasets. Moreover, our model is able to transfer cognitive information to other datasets that do not have any cognitive processing signals.

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