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24 April 2024
 
  » arxiv » 2007.1652

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Generating Informative Dialogue Responses with Keywords-Guided Networks
Heng-Da Xu ; Xian-Ling Mao ; Zewen Chi ; Jing-Jing Zhu ; Fanshu Sun ; Heyan Huang ;
Date 3 Jul 2020
AbstractRecently, open-domain dialogue systems have attracted growing attention. Most of them use the sequence-to-sequence (Seq2Seq) architecture to generate responses. However, traditional Seq2Seq-based open-domain dialogue models tend to generate generic and safe responses, which are less informative, unlike human responses. In this paper, we propose a simple but effective keywords-guided Sequence-to-Sequence model (KW-Seq2Seq) which uses keywords information as guidance to generate open-domain dialogue responses. Specifically, KW-Seq2Seq first uses a keywords decoder to predict some topic keywords, and then generates the final response under the guidance of them. Extensive experiments demonstrate that the KW-Seq2Seq model produces more informative, coherent and fluent responses, yielding substantive gain in both automatic and human evaluation metrics.
Source arXiv, 2007.1652
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