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Current state-of-the-art neural dialogue systems are mainly data-driven and are trained on human-generated responses. However, due to the subjectivity and open-ended nature of human conversations, the complexity of training dialogues varies…

Computation and Language · Computer Science 2020-03-17 Hengyi Cai , Hongshen Chen , Cheng Zhang , Yonghao Song , Xiaofang Zhao , Yangxi Li , Dongsheng Duan , Dawei Yin

Although pre-trained sequence-to-sequence models have achieved great success in dialogue response generation, chatbots still suffer from generating inconsistent responses in real-world practice, especially in multi-turn settings. We argue…

Computation and Language · Computer Science 2022-03-08 Leyang Cui , Fandong Meng , Yijin Liu , Jie Zhou , Yue Zhang

Neural conversation models tend to generate safe, generic responses for most inputs. This is due to the limitations of likelihood-based decoding objectives in generation tasks with diverse outputs, such as conversation. To address this…

Computation and Language · Computer Science 2018-09-06 Ashutosh Baheti , Alan Ritter , Jiwei Li , Bill Dolan

This paper introduces a simple yet effective data-centric approach for the task of improving persona-conditioned dialogue agents. Prior model-centric approaches unquestioningly depend on the raw crowdsourced benchmark datasets such as…

Computation and Language · Computer Science 2022-02-17 Minju Kim , Beong-woo Kwak , Youngwook Kim , Hong-in Lee , Seung-won Hwang , Jinyoung Yeo

Open-domain human-computer conversation has attracted much attention in the field of NLP. Contrary to rule- or template-based domain-specific dialog systems, open-domain conversation usually requires data-driven approaches, which can be…

Computation and Language · Computer Science 2016-10-25 Yiping Song , Rui Yan , Xiang Li , Dongyan Zhao , Ming Zhang

Nowadays, the current neural network models of dialogue generation(chatbots) show great promise for generating answers for chatty agents. But they are short-sighted in that they predict utterances one at a time while disregarding their…

Computation and Language · Computer Science 2023-01-19 Jabri Ismail , Aboulbichr Ahmed , El ouaazizi Aziza

Pre-trained language models have been successfully used in response generation for open-domain dialogue. Four main frameworks have been proposed: (1) Transformer-ED using Transformer encoder and decoder separately for source and target…

Computation and Language · Computer Science 2020-10-27 Yan Zeng , Jian-Yun Nie

End-to-End task-oriented dialogue systems generate responses based on dialog history and an accompanying knowledge base (KB). Inferring those KB entities that are most relevant for an utterance is crucial for response generation. Existing…

Computation and Language · Computer Science 2021-09-16 Dinesh Raghu , Atishya Jain , Mausam , Sachindra Joshi

Building robust and general dialogue models for spoken conversations is challenging due to the gap in distributions of spoken and written data. This paper presents our approach to build generalized models for the Knowledge-grounded…

Computation and Language · Computer Science 2022-03-09 Ruijie Yan , Shuang Peng , Haitao Mi , Liang Jiang , Shihui Yang , Yuchi Zhang , Jiajun Li , Liangrui Peng , Yongliang Wang , Zujie Wen

Pre-training models have been proved effective for a wide range of natural language processing tasks. Inspired by this, we propose a novel dialogue generation pre-training framework to support various kinds of conversations, including…

Computation and Language · Computer Science 2020-05-01 Siqi Bao , Huang He , Fan Wang , Hua Wu , Haifeng Wang

Frozen models trained to mimic static datasets can never improve their performance. Models that can employ internet-retrieval for up-to-date information and obtain feedback from humans during deployment provide the promise of both adapting…

Computation and Language · Computer Science 2022-08-17 Jing Xu , Megan Ung , Mojtaba Komeili , Kushal Arora , Y-Lan Boureau , Jason Weston

End-to-End intelligent neural dialogue systems suffer from the problems of generating inconsistent and repetitive responses. Existing dialogue models pay attention to unilaterally incorporating personal knowledge into the dialog while…

Computation and Language · Computer Science 2021-07-19 Yajing Sun , Yue Hu , Luxi Xing , Yuqiang Xie , Xiangpeng Wei

We present three enhancements to existing encoder-decoder models for open-domain conversational agents, aimed at effectively modeling coherence and promoting output diversity: (1) We introduce a measure of coherence as the GloVe embedding…

Computation and Language · Computer Science 2018-11-22 Xinnuo Xu , Ondřej Dušek , Ioannis Konstas , Verena Rieser

Progress in Machine Learning is often driven by the availability of large datasets, and consistent evaluation metrics for comparing modeling approaches. To this end, we present a repository of conversational datasets consisting of hundreds…

With the rapid development of artificial intelligence, conversational bots have became prevalent in mainstream E-commerce platforms, which can provide convenient customer service timely. To satisfy the user, the conversational bots need to…

Computation and Language · Computer Science 2021-09-23 Zhenyu Zhang , Tao Guo , Meng Chen

With the availability of massive general-domain dialogue data, pre-trained dialogue generation appears to be super appealing to transfer knowledge from the general domain to downstream applications. In most existing work, such transferable…

Computation and Language · Computer Science 2022-10-25 Xueliang Zhao , Lemao Liu , Tingchen Fu , Shuming Shi , Dongyan Zhao , Rui Yan

While large neural-based conversational models have become increasingly proficient dialogue agents, recent work has highlighted safety issues with these systems. For example, these systems can be goaded into generating toxic content, which…

Computation and Language · Computer Science 2023-10-24 Nicholas Meade , Spandana Gella , Devamanyu Hazarika , Prakhar Gupta , Di Jin , Siva Reddy , Yang Liu , Dilek Hakkani-Tür

Stylistic variation is critical to render the utterances generated by conversational agents natural and engaging. In this paper, we focus on sequence-to-sequence models for open-domain dialogue response generation and propose a new method…

Computation and Language · Computer Science 2018-10-02 Yujie Xing , Raquel Fernández

Recent advances in open-domain dialogue systems rely on the success of neural models that are trained on large-scale data. However, collecting large-scale dialogue data is usually time-consuming and labor-intensive. To address this data…

Computation and Language · Computer Science 2020-11-11 Rongsheng Zhang , Yinhe Zheng , Jianzhi Shao , Xiaoxi Mao , Yadong Xi , Minlie Huang

Improving user experience of a dialogue system often requires intensive developer effort to read conversation logs, run statistical analyses, and intuit the relative importance of system shortcomings. This paper presents a novel approach to…

Computation and Language · Computer Science 2021-11-02 James D. Finch , Sarah E. Finch , Jinho D. Choi