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SPARTA: Efficient Open-Domain Question Answering via Sparse Transformer Matching Retrieval

Sep 28, 2020
Tiancheng Zhao, Xiaopeng Lu, Kyusong Lee

* 11 pages 

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Report from the NSF Future Directions Workshop, Toward User-Oriented Agents: Research Directions and Challenges

Jun 10, 2020
Maxine Eskenazi, Tiancheng Zhao

* Final report of the NSF Future Directions Workshop, Toward User-Oriented Agents: Research Directions and Challenges 

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"None of the Above":Measure Uncertainty in Dialog Response Retrieval

Apr 04, 2020
Yulan Feng, Shikib Mehri, Maxine Eskenazi, Tiancheng Zhao


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Investigating Evaluation of Open-Domain Dialogue Systems With Human Generated Multiple References

Sep 08, 2019
Prakhar Gupta, Shikib Mehri, Tiancheng Zhao, Amy Pavel, Maxine Eskenazi, Jeffrey P. Bigham

* SIGDIAL 2019 

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Pretraining Methods for Dialog Context Representation Learning

Jun 04, 2019
Shikib Mehri, Evgeniia Razumovskaia, Tiancheng Zhao, Maxine Eskenazi

* Accepted to ACL 2019 

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Target-Guided Open-Domain Conversation

May 29, 2019
Jianheng Tang, Tiancheng Zhao, Chenyan Xiong, Xiaodan Liang, Eric P. Xing, Zhiting Hu

* ACL 2019. Data and code available at https://github.com/squareRoot3/Target-Guided-Conversation. fixed typos 

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Rethinking Action Spaces for Reinforcement Learning in End-to-end Dialog Agents with Latent Variable Models

Apr 15, 2019
Tiancheng Zhao, Kaige Xie, Maxine Eskenazi

* Camera ready version for NAACL 2019 long paper 

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Unsupervised Dialog Structure Learning

Apr 07, 2019
Weiyan Shi, Tiancheng Zhao, Zhou Yu

* Long paper accepted by NAACL 2019 

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Beyond Turing: Intelligent Agents Centered on the User

Jan 20, 2019
Maxine Eskenazi, Shikib Mehri, Evgeniia Razumovskaia, Tiancheng Zhao

* 13 pages 

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Dirichlet Variational Autoencoder for Text Modeling

Oct 31, 2018
Yijun Xiao, Tiancheng Zhao, William Yang Wang


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Texar: A Modularized, Versatile, and Extensible Toolkit for Text Generation

Sep 04, 2018
Zhiting Hu, Haoran Shi, Zichao Yang, Bowen Tan, Tiancheng Zhao, Junxian He, Wentao Wang, Xingjiang Yu, Lianhui Qin, Di Wang, Xuezhe Ma, Hector Liu, Xiaodan Liang, Wanrong Zhu, Devendra Singh Sachan, Eric P. Xing

* 14 pages; Github: https://github.com/asyml/texar 

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Zero-Shot Dialog Generation with Cross-Domain Latent Actions

May 13, 2018
Tiancheng Zhao, Maxine Eskenazi

* Accepted as a long paper in SIGDIAL 2018 

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Multimodal Hierarchical Reinforcement Learning Policy for Task-Oriented Visual Dialog

May 08, 2018
Jiaping Zhang, Tiancheng Zhao, Zhou Yu


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Unsupervised Discrete Sentence Representation Learning for Interpretable Neural Dialog Generation

Apr 22, 2018
Tiancheng Zhao, Kyusong Lee, Maxine Eskenazi

* Accepted as a long paper in ACL 2018 

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Learning Discourse-level Diversity for Neural Dialog Models using Conditional Variational Autoencoders

Oct 21, 2017
Tiancheng Zhao, Ran Zhao, Maxine Eskenazi

* Appeared in ACL2017 proceedings as a long paper. Correct a calculation mistake in Table 1 E-bow & A-bow and results into higher scores 

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Generative Encoder-Decoder Models for Task-Oriented Spoken Dialog Systems with Chatting Capability

Jun 26, 2017
Tiancheng Zhao, Allen Lu, Kyusong Lee, Maxine Eskenazi

* Accepted as a long paper in SIGIDIAL 2017 

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Leveraging Recurrent Neural Networks for Multimodal Recognition of Social Norm Violation in Dialog

Oct 10, 2016
Tiancheng Zhao, Ran Zhao, Zhao Meng, Justine Cassell

* Submitted to NIPS Workshop. arXiv admin note: text overlap with arXiv:1608.02977 by other authors 

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Towards End-to-End Learning for Dialog State Tracking and Management using Deep Reinforcement Learning

Sep 15, 2016
Tiancheng Zhao, Maxine Eskenazi

* In proceeding of SIGDIAL 2016. Added changes based-on peer review, including: 1. Added references, 2. fixed typos in text and figures, 3. added minor change to introduction 

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DialPort: Connecting the Spoken Dialog Research Community to Real User Data

Jun 08, 2016
Tiancheng Zhao, Kyusong Lee, Maxine Eskenazi

* Under Peer Review of SigDial 2016 

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Algorithms for Batch Hierarchical Reinforcement Learning

Mar 29, 2016
Tiancheng Zhao, Mohammad Gowayyed


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