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    <abstract>This paper presents a Generative Adversarial Network (GAN) to model single-turn short-text conversations, which trains a sequence-to-sequence (Seq2Seq) network for response generation simultaneously with a discriminative classifier that measures the differences between human-produced responses and machine-generated ones. In addition, the proposed method introduces an approximate embedding layer to solve the non-differentiable problem caused by the sampling-based output decoding procedure in the Seq2Seq generative model. The GAN setup provides an effective way to avoid noninformative responses (a.k.a “safe responses”), which are frequently observed in traditional neural response generators. The experimental results show that the proposed approach significantly outperforms existing neural response generation models in diversity metrics, with slight increases in relevance scores as well, when evaluated on both a Mandarin corpus and an English corpus.</abstract>
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%0 Conference Proceedings
%T Neural Response Generation via GAN with an Approximate Embedding Layer
%A Xu, Zhen
%A Liu, Bingquan
%A Wang, Baoxun
%A Sun, Chengjie
%A Wang, Xiaolong
%A Wang, Zhuoran
%A Qi, Chao
%Y Palmer, Martha
%Y Hwa, Rebecca
%Y Riedel, Sebastian
%S Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing
%D 2017
%8 September
%I Association for Computational Linguistics
%C Copenhagen, Denmark
%F xu-etal-2017-neural
%X This paper presents a Generative Adversarial Network (GAN) to model single-turn short-text conversations, which trains a sequence-to-sequence (Seq2Seq) network for response generation simultaneously with a discriminative classifier that measures the differences between human-produced responses and machine-generated ones. In addition, the proposed method introduces an approximate embedding layer to solve the non-differentiable problem caused by the sampling-based output decoding procedure in the Seq2Seq generative model. The GAN setup provides an effective way to avoid noninformative responses (a.k.a “safe responses”), which are frequently observed in traditional neural response generators. The experimental results show that the proposed approach significantly outperforms existing neural response generation models in diversity metrics, with slight increases in relevance scores as well, when evaluated on both a Mandarin corpus and an English corpus.
%R 10.18653/v1/D17-1065
%U https://aclanthology.org/D17-1065
%U https://doi.org/10.18653/v1/D17-1065
%P 617-626

Markdown (Informal)

[Neural Response Generation via GAN with an Approximate Embedding Layer](https://aclanthology.org/D17-1065) (Xu et al., EMNLP 2017)

• Neural Response Generation via GAN with an Approximate Embedding Layer (Xu et al., EMNLP 2017)

ACL

• Zhen Xu, Bingquan Liu, Baoxun Wang, Chengjie Sun, Xiaolong Wang, Zhuoran Wang, and Chao Qi. 2017. Neural Response Generation via GAN with an Approximate Embedding Layer. In Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, pages 617–626, Copenhagen, Denmark. Association for Computational Linguistics.