Emotional Conversation Generation Orientated Syntactically Constrained Bidirectional-asynchronous Framework
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The field of open-domain conversation generation using deep neural networks has attracted increasing attention from researchers for several years. However, traditional neural language models tend to generate safe, generic reply with poor logic and no emotion. In this paper, an emotional conversation generation orientated syntactically constrained bidirectional-asynchronous framework called E-SCBA is proposed to generate meaningful (logical and emotional) reply.As an innovative idea, in E-SCBA, pre-generated emotion keyword and topic keyword are asynchronously introduced into the reply during the the process of generation, and the process of decoding is much different from the most existing methods generating reply from the first word to the end. A newly designed bidirectional-asynchronous decoder with the multi-stage strategy is proposed to support this idea, which ensures the fluency and grammaticality of reply by making full use of syntactic constraints. Through the experiments, the results show that our framework not only improves the diversity of replies, but gains a boost on both logic and emotion compared with baselines as well.
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