publications

2021

  1. EACL
    SF-QA: Simple and Fair Evaluation Library for Open-domain Question Answering
    Lu, Xiaopeng, Lee, Kyusong, and Zhao, Tiancheng
    In Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations 2021
  2. NAACL
    SPARTA: Efficient Open-Domain Question Answering via Sparse Transformer Matching Retrieval
    Zhao, Tiancheng, Lu, Xiaopeng, and Lee, Kyusong
    In Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies 2021
  3. ACL
    VisualSparta: An Embarrassingly Simple Approach to Large-scale Text-to-Image Search with Weighted Bag-of-words
    Lu, Xiaopeng,  Zhao, Tiancheng, and Lee, Kyusong
    In Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) 2021

2020

  1. ACL
    “None of the Above”: Measure Uncertainty in Dialog Response Retrieval
    Feng, Yulan, Mehri, Shikib, Eskenazi, Maxine, and Zhao, Tiancheng
    In Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics 2020
  2. Preprint
    Report from the NSF future directions workshop, toward user-oriented agents: Research directions and challenges
    Eskenazi, Maxine, and Zhao, Tiancheng
    arXiv preprint arXiv:2006.06026 2020

2019

  1. Preprint
    Beyond turing: Intelligent agents centered on the user
    Eskenazi, Maxine, Mehri, Shikib, Razumovskaia, Evgeniia, and Zhao, Tiancheng
    arXiv preprint arXiv:1901.06613 2019
  2. IWSDS
    An assessment framework for dialport
    Lee, Kyusong,  Zhao, Tiancheng, Ultes, Stefan, Rojas-Barahona, Lina, Pincus, Eli, Traum, David, and Eskenazi, Maxine
    2019
  3. PhD Dissertation
    Learning to Converse With Latent Actions
    Zhao, Tiancheng
    2019
  4. NAACL
    Unsupervised Dialog Structure Learning
    Shi, Weiyan,  Zhao, Tiancheng, and Yu, Zhou
    In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) 2019
  5. SIGDIAL
    Investigating Evaluation of Open-Domain Dialogue Systems With Human Generated Multiple References
    Gupta, Prakhar, Mehri, Shikib,  Zhao, Tiancheng, Pavel, Amy, Eskenazi, Maxine, and Bigham, Jeffrey P
    In Proceedings of the 20th Annual SIGdial Meeting on Discourse and Dialogue 2019
  6. ACL
    Texar: A Modularized, Versatile, and Extensible Toolkit for Text Generation
    Hu, Zhiting, Shi, Haoran, Tan, Bowen, Wang, Wentao, Yang, Zichao,  Zhao, Tiancheng, He, Junxian, Qin, Lianhui, Wang, Di, Ma, Xuezhe, and others,
    In Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: System Demonstrations 2019
  7. ACL
    Pretraining Methods for Dialog Context Representation Learning
    Mehri, Shikib, Razumovskaia, Evgeniia,  Zhao, Tiancheng, and Eskenazi, Maxine
    In Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics 2019
  8. ACL
    Target-Guided Open-Domain Conversation
    Tang, Jianheng,  Zhao, Tiancheng, Xiong, Chenyan, Liang, Xiaodan, Xing, Eric, and Hu, Zhiting
    In Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics 2019
  9. NAACL
    Rethinking Action Spaces for Reinforcement Learning in End-to-end Dialog Agents with Latent Variable Models
    Zhao, Tiancheng, Xie, Kaige, and Eskenazi, Maxine
    In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) 2019

2018

  1. SIGDIAL
    Dialcrowd: A toolkit for easy dialog system assessment
    Lee, Kyusong,  Zhao, Tiancheng, Black, Alan W, and Eskenazi, Maxine
    In Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue 2018
  2. SIGDIAL
    Zero-Shot Dialog Generation with Cross-Domain Latent Actions
    Zhao, Tiancheng, and Eskenazi, Maxine
    In Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue 2018
  3. ACL
    Unsupervised Discrete Sentence Representation Learning for Interpretable Neural Dialog Generation
    Zhao, Tiancheng, Lee, Kyusong, and Eskenazi, Maxine
    In Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) 2018
  4. SIGDIAL
    Multimodal Hierarchical Reinforcement Learning Policy for Task-Oriented Visual Dialog
    Zhang, Jiaping,  Zhao, Tiancheng, and Yu, Zhou
    In Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue 2018
  5. Preprint
    Dirichlet variational autoencoder for text modeling
    Xiao, Yijun,  Zhao, Tiancheng, and Wang, William Yang
    arXiv preprint arXiv:1811.00135 2018
  6. NLP-OSS
    Texar: A modularized, versatile, and extensible toolbox for text generation
    Hu, Zhiting, Yang, Zichao,  Zhao, Tiancheng, Shi, Haoran, He, Junxian, Wang, Di, Ma, Xuezhe, Liu, Zhengzhong, Liang, Xiaodan, Qin, Lianhui, and others,
    In Proceedings of Workshop for NLP Open Source Software (NLP-OSS) 2018
  7. Unconventional Approaches to Gathering and Sharing Resources for Spoken Dialog Research
    Eskenazi, Maxine, Lee, Sungjin,  Zhao, Tiancheng, Hu, Ting Yao, and Black, Alan W
    In Novel Incentives for Collecting Data and Annotation from People: types, implementation, tasking requirements, workflow and results Workshop Programme 2018

2017

  1. ACL
    Learning Discourse-level Diversity for Neural Dialog Models using Conditional Variational Autoencoders
    Zhao, Tiancheng, Zhao, Ran, and Eskenazi, Maxine
    In Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) 2017
  2. SIGDIAL
    Dialport, gone live: an update after a year of development
    Lee, Kyusong,  Zhao, Tiancheng, Du, Yulun, Cai, Edward, Lu, Allen, Pincus, Eli, Traum, David, Ultes, Stefan, Barahona, Lina M Rojas, Gasic, Milica, and others,
    In Proceedings of the 18th annual SIGdial meeting on discourse and dialogue 2017
  3. SIGDIAL
    Generative Encoder-Decoder Models for Task-Oriented Spoken Dialog Systems with Chatting Capability
    Zhao, Tiancheng, Lu, Allen, Lee, Kyusong, and Eskenazi, Maxine
    In Proceedings of the 18th Annual SIGdial Meeting on Discourse and Dialogue 2017

2016

  1. SIGDIAL
    Towards End-to-End Learning for Dialog State Tracking and Management using Deep Reinforcement Learning
    Zhao, Tiancheng, and Eskenazi, Maxine
    In Proceedings of the 17th Annual Meeting of the Special Interest Group on Discourse and Dialogue 2016
  2. SLT
    Dialport: Connecting the spoken dialog research community to real user data
    Zhao, Tiancheng, Lee, Kyusong, and Eskenazi, Maxine
    In 2016 IEEE Spoken Language Technology Workshop (SLT) 2016
  3. Tech Report
    Reinforest: Multi-domain dialogue management using hierarchical policies and knowledge ontology
    Zhao, Tiancheng
    2016
  4. Interspeech
    Deriving phonetic transcriptions and discovering word segmentations for speech-to-speech translation in low-resource settings
    Wilkinson, Andrew,  Zhao, Tiancheng, and Black, Alan W
    2016
  5. EMNLP
    Dialport: A general framework for aggregating dialog systems
    Zhao, Tiancheng, Lee, Kyusong, and Eskenazi, Maxine
    In Proceedings of the Workshop on Uphill Battles in Language Processing: Scaling Early Achievements to Robust Methods 2016
  6. The dialport portal: Grouping diverse types of spoken dialog systems
    Zhao, Tiancheng, Lee, Kyusong, and Eskenazi, Maxine
    In Workshop on Chatbots and conversational agents 2016

2015

  1. SIGDIAL
    An incremental turn-taking model with active system barge-in for spoken dialog systems
    Zhao, Tiancheng, Black, Alan W, and Eskenazi, Maxine
    In Proceedings of the 16th Annual Meeting of the Special Interest Group on Discourse and Dialogue 2015