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- W3129143847 abstract "Context modeling plays a critical role in building multi-turn dialogue systems. Conversational Query Rewriting (CQR) aims to simplify the multi-turn dialogue modeling into a single-turn problem by explicitly rewriting the conversational query into a self-contained utterance. However, existing approaches rely on massive supervised training data, which is labor-intensive to annotate. And the detection of the omitted important information from context can be further improved. Besides, intent consistency constraint between contextual query and rewritten query is also ignored. To tackle these issues, we first propose to construct a large-scale CQR dataset automatically via self-supervised learning, which does not need human annotation. Then we introduce a novel CQR model Teresa based on Transformer, which is enhanced by self-attentive keywords detection and intent consistency constraint. Finally, we conduct extensive experiments on two public datasets. Experimental results demonstrate that our proposed model outperforms existing CQR baselines significantly, and also prove the effectiveness of self-supervised learning on improving the CQR performance." @default.
- W3129143847 created "2021-02-15" @default.
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- W3129143847 date "2021-02-09" @default.
- W3129143847 modified "2023-09-27" @default.
- W3129143847 title "Conversational Query Rewriting with Self-supervised Learning" @default.
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- W3129143847 doi "https://doi.org/10.48550/arxiv.2102.04708" @default.
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