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A Scalable Framework for Learning From Implicit User Feedback to Improve Natural Language Understanding in Large-Scale Conversational AI Systems

Oct 23, 2020
Sunghyun Park, Han Li, Ameen Patel, Sidharth Mudgal, Sungjin Lee, Young-Bum Kim, Spyros Matsoukas, Ruhi Sarikaya


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Self-Supervised Contrastive Learning for Efficient User Satisfaction Prediction in Conversational Agents

Oct 21, 2020
Mohammad Kachuee, Hao Yuan, Young-Bum Kim, Sungjin Lee


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Large-scale Hybrid Approach for Predicting User Satisfaction with Conversational Agents

May 29, 2020
Dookun Park, Hao Yuan, Dongmin Kim, Yinglei Zhang, Matsoukas Spyros, Young-Bum Kim, Ruhi Sarikaya, Edward Guo, Yuan Ling, Kevin Quinn, Pham Hung, Benjamin Yao, Sungjin Lee


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Guided Dialog Policy Learning without Adversarial Learning in the Loop

Apr 07, 2020
Ziming Li, Sungjin Lee, Baolin Peng, Jinchao Li, Shahin Shayandeh, Jianfeng Gao

* 10 pages 

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The Eighth Dialog System Technology Challenge

Nov 14, 2019
Seokhwan Kim, Michel Galley, Chulaka Gunasekara, Sungjin Lee, Adam Atkinson, Baolin Peng, Hannes Schulz, Jianfeng Gao, Jinchao Li, Mahmoud Adada, Minlie Huang, Luis Lastras, Jonathan K. Kummerfeld, Walter S. Lasecki, Chiori Hori, Anoop Cherian, Tim K. Marks, Abhinav Rastogi, Xiaoxue Zang, Srinivas Sunkara, Raghav Gupta

* Submitted to NeurIPS 2019 3rd Conversational AI Workshop 

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Generating a Common Question from Multiple Documents using Multi-source Encoder-Decoder Models

Oct 25, 2019
Woon Sang Cho, Yizhe Zhang, Sudha Rao, Chris Brockett, Sungjin Lee

* Accepted at EMNLP-IJCNLP 2019 - The 3rd Workshop on Neural Generation and Translation 

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Data-Efficient Goal-Oriented Conversation with Dialogue Knowledge Transfer Networks

Oct 03, 2019
Igor Shalyminov, Sungjin Lee, Arash Eshghi, Oliver Lemon

* EMNLP 2019 

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Structuring Latent Spaces for Stylized Response Generation

Sep 03, 2019
Xiang Gao, Yizhe Zhang, Sungjin Lee, Michel Galley, Chris Brockett, Jianfeng Gao, Bill Dolan

* EMNLP 2019 
* accepted to appear at EMNLP 2019 (long) 

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Few-Shot Dialogue Generation Without Annotated Data: A Transfer Learning Approach

Aug 16, 2019
Igor Shalyminov, Sungjin Lee, Arash Eshghi, Oliver Lemon

* Accepted at SigDial 2019 

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Contextual Out-of-Domain Utterance Handling With Counterfeit Data Augmentation

May 24, 2019
Sungjin Lee, Igor Shalyminov

* ICASSP 2019 

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ConvLab: Multi-Domain End-to-End Dialog System Platform

Apr 18, 2019
Sungjin Lee, Qi Zhu, Ryuichi Takanobu, Xiang Li, Yaoqin Zhang, Zheng Zhang, Jinchao Li, Baolin Peng, Xiujun Li, Minlie Huang, Jianfeng Gao


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Jointly Optimizing Diversity and Relevance in Neural Response Generation

Apr 04, 2019
Xiang Gao, Sungjin Lee, Yizhe Zhang, Chris Brockett, Michel Galley, Jianfeng Gao, Bill Dolan

* Long paper accepted at NAACL 2019 

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Consistent Dialogue Generation with Self-supervised Feature Learning

Mar 27, 2019
Yizhe Zhang, Xiang Gao, Sungjin Lee, Chris Brockett, Michel Galley, Jianfeng Gao, Bill Dolan


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Improving Robustness of Neural Dialog Systems in a Data-Efficient Way with Turn Dropout

Nov 29, 2018
Igor Shalyminov, Sungjin Lee

* NeurIPS 2018 workshop on Conversational AI 

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Nudging Neural Conversational Model with Domain Knowledge

Nov 15, 2018
Sungjin Lee


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Zero-Shot Adaptive Transfer for Conversational Language Understanding

Aug 29, 2018
Sungjin Lee, Rahul Jha


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OneNet: Joint Domain, Intent, Slot Prediction for Spoken Language Understanding

Jan 16, 2018
Young-Bum Kim, Sungjin Lee, Karl Stratos

* 5 pages conference paper accepted to IEEE ASRU 2017. Will be published in December 2017 

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Toward Continual Learning for Conversational Agents

Jan 09, 2018
Sungjin Lee


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Speaker-Sensitive Dual Memory Networks for Multi-Turn Slot Tagging

Nov 29, 2017
Young-Bum Kim, Sungjin Lee, Ruhi Sarikaya

* 5 pages conference paper accepted to IEEE ASRU 2017. Will be published in December 2017 

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Composite Task-Completion Dialogue Policy Learning via Hierarchical Deep Reinforcement Learning

Jul 22, 2017
Baolin Peng, Xiujun Li, Lihong Li, Jianfeng Gao, Asli Celikyilmaz, Sungjin Lee, Kam-Fai Wong

* 12 pages, 8 figures 

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