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Neural network models usually suffer from the challenge of incorporating commonsense knowledge into the open-domain dialogue systems. In this paper, we propose a novel knowledge-aware dialogue generation model (called TransDG), which…

Computation and Language · Computer Science 2019-12-17 Jian Wang , Junhao Liu , Wei Bi , Xiaojiang Liu , Kejing He , Ruifeng Xu , Min Yang

Incorporating personas information allows diverse and engaging responses in dialogue response generation. Unfortunately, prior works have primarily focused on self personas and have overlooked the value of partner personas. Moreover, in…

Computation and Language · Computer Science 2021-11-30 Hongyuan Lu , Wai Lam , Hong Cheng , Helen M. Meng

Generating responses that are consistent with the dialogue context is one of the central challenges in building engaging conversational agents. We demonstrate that neural conversation models can be geared towards generating consistent…

Computation and Language · Computer Science 2021-08-13 Yizhe Zhang , Xiang Gao , Sungjin Lee , Chris Brockett , Michel Galley , Jianfeng Gao , Bill Dolan

Having engaging and informative conversations with users is the utmost goal for open-domain conversational systems. Recent advances in transformer-based language models and their applications to dialogue systems have succeeded to generate…

Computation and Language · Computer Science 2021-02-04 Sarik Ghazarian , Zixi Liu , Tuhin Chakrabarty , Xuezhe Ma , Aram Galstyan , Nanyun Peng

We study the problem of automatic fact-checking, paying special attention to the impact of contextual and discourse information. We address two related tasks: (i) detecting check-worthy claims, and (ii) fact-checking claims. We develop…

Generating relevant responses in a dialog is challenging, and requires not only proper modeling of context in the conversation but also being able to generate fluent sentences during inference. In this paper, we propose a two-step framework…

Computation and Language · Computer Science 2020-11-04 Kashif Khan , Gaurav Sahu , Vikash Balasubramanian , Lili Mou , Olga Vechtomova

Dialogue systems are increasingly using knowledge bases (KBs) storing real-world facts to help generate quality responses. However, as the KBs are inherently incomplete and remain fixed during conversation, it limits dialogue systems'…

Computation and Language · Computer Science 2019-12-24 Sahisnu Mazumder , Bing Liu , Shuai Wang , Nianzu Ma

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

We present our work on Track 2 in the Dialog System Technology Challenges 7 (DSTC7). The DSTC7-Track 2 aims to evaluate the response generation of fully data-driven conversation models in knowledge-grounded settings, which provides the…

Computation and Language · Computer Science 2019-02-01 Yu-Ping Ruan , Zhen-Hua Ling , Quan Liu , Jia-Chen Gu , Xiaodan Zhu

Current works in the generation of personalized dialogue primarily contribute to the agent presenting a consistent personality and driving a more informative response. However, we found that the generated responses from most previous models…

Computation and Language · Computer Science 2022-08-23 Itsugun Cho , Dongyang Wang , Ryota Takahashi , Hiroaki Saito

Open-domain dialogue systems aim to generate relevant, informative and engaging responses. Seq2seq neural response generation approaches do not have explicit mechanisms to control the content or style of the generated response, and…

Artificial Intelligence · Computer Science 2020-08-26 Behnam Hedayatnia , Karthik Gopalakrishnan , Seokhwan Kim , Yang Liu , Mihail Eric , Dilek Hakkani-Tur

The successful emotional conversation system depends on sufficient perception and appropriate expression of emotions. In a real-life conversation, humans firstly instinctively perceive emotions from multi-source information, including the…

Computation and Language · Computer Science 2022-03-31 Yunlong Liang , Fandong Meng , Ying Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

The generation of personalized dialogue is vital to natural and human-like conversation. Typically, personalized dialogue generation models involve conditioning the generated response on the dialogue history and a representation of the…

Computation and Language · Computer Science 2021-11-23 Jing Yang Lee , Kong Aik Lee , Woon Seng Gan

Existing open-domain dialogue generation models are usually trained to mimic the gold response in the training set using cross-entropy loss on the vocabulary. However, a good response does not need to resemble the gold response, since there…

Computation and Language · Computer Science 2020-10-06 Wei-Jen Ko , Avik Ray , Yilin Shen , Hongxia Jin

Existing pipelined task-oriented dialogue systems usually have difficulties adapting to unseen domains, whereas end-to-end systems are plagued by large-scale knowledge bases in practice. In this paper, we introduce a novel query-driven…

Computation and Language · Computer Science 2022-10-17 Xin Tian , Yingzhan Lin , Mengfei Song , Siqi Bao , Fan Wang , Huang He , Shuqi Sun , Hua Wu

The largest store of continually updating knowledge on our planet can be accessed via internet search. In this work we study giving access to this information to conversational agents. Large language models, even though they store an…

Artificial Intelligence · Computer Science 2021-07-19 Mojtaba Komeili , Kurt Shuster , Jason Weston

Compared to traditional visual question answering, video-grounded dialogues require additional reasoning over dialogue context to answer questions in a multi-turn setting. Previous approaches to video-grounded dialogues mostly use dialogue…

Artificial Intelligence · Computer Science 2022-12-08 Hung Le , Nancy F. Chen , Steven C. H. Hoi

This paper introduces the Seventh Dialog System Technology Challenges (DSTC), which use shared datasets to explore the problem of building dialog systems. Recently, end-to-end dialog modeling approaches have been applied to various dialog…

Dialogue generation has been successfully learned from scratch by neural networks, but tends to produce the same general response, e.g., "what are you talking about?", in many conversations. To reduce this homogeneity, external knowledge…

Computation and Language · Computer Science 2021-04-07 Yi-Lin Tuan , Wei Wei , William Yang Wang

There has been considerable progress made towards conversational models that generate coherent and fluent responses; however, this often involves training large language models on large dialogue datasets, such as Reddit. These large…

Computation and Language · Computer Science 2020-10-12 Andrea Madotto , Etsuko Ishii , Zhaojiang Lin , Sumanth Dathathri , Pascale Fung