@proceedings{acl-2021-association-linguistics-international-joint,
    title = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.0/"
}
@inproceedings{liu-etal-2021-texsmart,
    title = "{T}ex{S}mart: A System for Enhanced Natural Language Understanding",
    author = "Liu, Lemao  and
      Zhang, Haisong  and
      Jiang, Haiyun  and
      Li, Yangming  and
      Zhao, Enbo  and
      Xu, Kun  and
      Song, Linfeng  and
      Zheng, Suncong  and
      Zhou, Botong  and
      Zhu, Dick  and
      Feng, Xiao  and
      Chen, Tao  and
      Yang, Tao  and
      Yu, Dong  and
      Zhang, Feng  and
      Kang, ZhanHui  and
      Shi, Shuming",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.1/",
    doi = "10.18653/v1/2021.acl-demo.1",
    pages = "1--10"
}
@inproceedings{lee-etal-2021-intellicat,
    title = "{I}ntelli{CAT}: Intelligent Machine Translation Post-Editing with Quality Estimation and Translation Suggestion",
    author = "Lee, Dongjun  and
      Ahn, Junhyeong  and
      Park, Heesoo  and
      Jo, Jaemin",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.2/",
    doi = "10.18653/v1/2021.acl-demo.2",
    pages = "11--19"
}
@inproceedings{johnson-etal-2021-classical,
    title = "The {C}lassical {L}anguage {T}oolkit: {A}n {NLP} Framework for Pre-Modern Languages",
    author = "Johnson, Kyle P.  and
      Burns, Patrick J.  and
      Stewart, John  and
      Cook, Todd  and
      Besnier, Cl{\'e}ment  and
      Mattingly, William J. B.",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.3/",
    doi = "10.18653/v1/2021.acl-demo.3",
    pages = "20--29"
}
@inproceedings{li-etal-2021-textbox,
    title = "{T}ext{B}ox: A Unified, Modularized, and Extensible Framework for Text Generation",
    author = "Li, Junyi  and
      Tang, Tianyi  and
      He, Gaole  and
      Jiang, Jinhao  and
      Hu, Xiaoxuan  and
      Xie, Puzhao  and
      Chen, Zhipeng  and
      Yu, Zhuohao  and
      Zhao, Wayne Xin  and
      Wen, Ji-Rong",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.4/",
    doi = "10.18653/v1/2021.acl-demo.4",
    pages = "30--39"
}
@inproceedings{nguyen-etal-2021-inside,
    title = "Inside {ASCENT}: Exploring a Deep Commonsense Knowledge Base and its Usage in Question Answering",
    author = "Nguyen, Tuan-Phong  and
      Razniewski, Simon  and
      Weikum, Gerhard",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.5/",
    doi = "10.18653/v1/2021.acl-demo.5",
    pages = "40--47"
}
@inproceedings{shen-etal-2021-sciconceptminer,
    title = "{S}ci{C}oncept{M}iner: A system for large-scale scientific concept discovery",
    author = "Shen, Zhihong  and
      Wu, Chieh-Han  and
      Ma, Li  and
      Chen, Chien-Pang  and
      Wang, Kuansan",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.6/",
    doi = "10.18653/v1/2021.acl-demo.6",
    pages = "48--54"
}
@inproceedings{zhao-etal-2021-neurst,
    title = "{N}eur{ST}: Neural Speech Translation Toolkit",
    author = "Zhao, Chengqi  and
      Wang, Mingxuan  and
      Dong, Qianqian  and
      Ye, Rong  and
      Li, Lei",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.7/",
    doi = "10.18653/v1/2021.acl-demo.7",
    pages = "55--62"
}
@inproceedings{imanigooghari-etal-2021-parcoure,
    title = "{P}ar{C}our{E}: A Parallel Corpus Explorer for a Massively Multilingual Corpus",
    author = {Imani, Ayyoob  and
      Jalili Sabet, Masoud  and
      Dufter, Philipp  and
      Cysou, Michael  and
      Sch{\"u}tze, Hinrich},
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.8/",
    doi = "10.18653/v1/2021.acl-demo.8",
    pages = "63--72"
}
@inproceedings{rei-etal-2021-mt,
    title = "{MT}-{T}elescope: {A}n interactive platform for contrastive evaluation of {MT} systems",
    author = "Rei, Ricardo  and
      Farinha, Ana C  and
      Stewart, Craig  and
      Coheur, Luisa  and
      Lavie, Alon",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.9/",
    doi = "10.18653/v1/2021.acl-demo.9",
    pages = "73--80"
}
@inproceedings{lertvittayakumjorn-etal-2021-supporting,
    title = "Supporting Complaints Investigation for Nursing and Midwifery Regulatory Agencies",
    author = "Lertvittayakumjorn, Piyawat  and
      Petej, Ivan  and
      Gao, Yang  and
      Krishnamurthy, Yamuna  and
      Van Der Gaag, Anna  and
      Jago, Robert  and
      Stathis, Kostas",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.10/",
    doi = "10.18653/v1/2021.acl-demo.10",
    pages = "81--91"
}
@inproceedings{jin-etal-2021-cogie,
    title = "{C}og{IE}: An Information Extraction Toolkit for Bridging Texts and {C}og{N}et",
    author = "Jin, Zhuoran  and
      Chen, Yubo  and
      Sui, Dianbo  and
      Wang, Chenhao  and
      Xue, Zhipeng  and
      Zhao, Jun",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.11/",
    doi = "10.18653/v1/2021.acl-demo.11",
    pages = "92--98"
}
@inproceedings{geng-etal-2021-fasthan,
    title = "fast{H}an: A {BERT}-based Multi-Task Toolkit for {C}hinese {NLP}",
    author = "Geng, Zhichao  and
      Yan, Hang  and
      Qiu, Xipeng  and
      Huang, Xuanjing",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.12/",
    doi = "10.18653/v1/2021.acl-demo.12",
    pages = "99--106"
}
@inproceedings{frasnelli-etal-2021-erase,
    title = "Erase and Rewind: Manual Correction of {NLP} Output through a Web Interface",
    author = "Frasnelli, Valentino  and
      Bocchi, Lorenzo  and
      Palmero Aprosio, Alessio",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.13/",
    doi = "10.18653/v1/2021.acl-demo.13",
    pages = "107--113"
}
@inproceedings{hongwimol-etal-2021-esra,
    title = "{ESRA}: Explainable Scientific Research Assistant",
    author = "Hongwimol, Pollawat  and
      Kehasukcharoen, Peeranuth  and
      Laohawarutchai, Pasit  and
      Lertvittayakumjorn, Piyawat  and
      Ng, Aik Beng  and
      Lai, Zhangsheng  and
      Liu, Timothy  and
      Vateekul, Peerapon",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.14/",
    doi = "10.18653/v1/2021.acl-demo.14",
    pages = "114--121"
}
@inproceedings{barbaresi-2021-trafilatura,
    title = "Trafilatura: {A} Web Scraping Library and Command-Line Tool for Text Discovery and Extraction",
    author = "Barbaresi, Adrien",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.15/",
    doi = "10.18653/v1/2021.acl-demo.15",
    pages = "122--131"
}
@inproceedings{wang-etal-2021-dodrio,
    title = "Dodrio: Exploring Transformer Models with Interactive Visualization",
    author = "Wang, Zijie J.  and
      Turko, Robert  and
      Chau, Duen Horng",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.16/",
    doi = "10.18653/v1/2021.acl-demo.16",
    pages = "132--141"
}
@inproceedings{andersen-etal-2021-rem,
    title = "{REM}: Efficient Semi-Automated Real-Time Moderation of Online Forums",
    author = "Andersen, Jakob Smedegaard  and
      Zukunft, Olaf  and
      Maalej, Walid",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.17/",
    doi = "10.18653/v1/2021.acl-demo.17",
    pages = "142--149"
}
@inproceedings{vig-etal-2021-summvis,
    title = "{S}umm{V}is: Interactive Visual Analysis of Models, Data, and Evaluation for Text Summarization",
    author = "Vig, Jesse  and
      Kryscinski, Wojciech  and
      Goel, Karan  and
      Rajani, Nazneen",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.18/",
    doi = "10.18653/v1/2021.acl-demo.18",
    pages = "150--158"
}
@inproceedings{mishra-etal-2021-graphical,
    title = "A Graphical Interface for Curating Schemas",
    author = "Mishra, Piyush  and
      Malhotra, Akanksha  and
      Brown, Susan Windisch  and
      Palmer, Martha  and
      Kazeminejad, Ghazaleh",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.19/",
    doi = "10.18653/v1/2021.acl-demo.19",
    pages = "159--166"
}
@inproceedings{zhang-etal-2021-textoir,
    title = "{TEXTOIR}: An Integrated and Visualized Platform for Text Open Intent Recognition",
    author = "Zhang, Hanlei  and
      Li, Xiaoteng  and
      Xu, Hua  and
      Zhang, Panpan  and
      Zhao, Kang  and
      Gao, Kai",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.20/",
    doi = "10.18653/v1/2021.acl-demo.20",
    pages = "167--174"
}
@inproceedings{xi-etal-2021-kuileixi,
    title = "{K}ui{L}ei{X}i: a {C}hinese Open-Ended Text Adventure Game",
    author = "Xi, Yadong  and
      Mao, Xiaoxi  and
      Li, Le  and
      Lin, Lei  and
      Chen, Yanjiang  and
      Yang, Shuhan  and
      Chen, Xuhan  and
      Tao, Kailun  and
      Li, Zhi  and
      Li, Gongzheng  and
      Jiang, Lin  and
      Liu, Siyan  and
      Zhao, Zeng  and
      Huang, Minlie  and
      Fan, Changjie  and
      Hu, Zhipeng",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.21/",
    doi = "10.18653/v1/2021.acl-demo.21",
    pages = "175--184"
}
@inproceedings{zhou-etal-2021-crslab,
    title = "{CRSL}ab: An Open-Source Toolkit for Building Conversational Recommender System",
    author = "Zhou, Kun  and
      Wang, Xiaolei  and
      Zhou, Yuanhang  and
      Shang, Chenzhan  and
      Cheng, Yuan  and
      Zhao, Wayne Xin  and
      Li, Yaliang  and
      Wen, Ji-Rong",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.22/",
    doi = "10.18653/v1/2021.acl-demo.22",
    pages = "185--193"
}
@inproceedings{ferreira-etal-2021-representation,
    title = "Does My Representation Capture {X}? Probe-Ably",
    author = "Ferreira, Deborah  and
      Rozanova, Julia  and
      Thayaparan, Mokanarangan  and
      Valentino, Marco  and
      Freitas, Andr{\'e}",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.23/",
    doi = "10.18653/v1/2021.acl-demo.23",
    pages = "194--201"
}
@inproceedings{pan-etal-2021-cltr,
    title = "{CLTR}: An End-to-End, Transformer-Based System for Cell-Level Table Retrieval and Table Question Answering",
    author = "Pan, Feifei  and
      Canim, Mustafa  and
      Glass, Michael  and
      Gliozzo, Alfio  and
      Fox, Peter",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.24/",
    doi = "10.18653/v1/2021.acl-demo.24",
    pages = "202--209"
}
@inproceedings{ravfogel-etal-2021-neural,
    title = "Neural Extractive Search",
    author = "Ravfogel, Shauli  and
      Taub-Tabib, Hillel  and
      Goldberg, Yoav",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.25/",
    doi = "10.18653/v1/2021.acl-demo.25",
    pages = "210--217"
}
@inproceedings{yan-etal-2021-fastseq,
    title = "{F}ast{S}eq: Make Sequence Generation Faster",
    author = "Yan, Yu  and
      Hu, Fei  and
      Chen, Jiusheng  and
      Bhendawade, Nikhil  and
      Ye, Ting  and
      Gong, Yeyun  and
      Duan, Nan  and
      Cui, Desheng  and
      Chi, Bingyu  and
      Zhang, Ruofei",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.26/",
    doi = "10.18653/v1/2021.acl-demo.26",
    pages = "218--226"
}
@inproceedings{kimura-etal-2021-loa,
    title = "{LOA}: Logical Optimal Actions for Text-based Interaction Games",
    author = "Kimura, Daiki  and
      Chaudhury, Subhajit  and
      Ono, Masaki  and
      Tatsubori, Michiaki  and
      Agravante, Don Joven  and
      Munawar, Asim  and
      Wachi, Akifumi  and
      Kohita, Ryosuke  and
      Gray, Alexander",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.27/",
    doi = "10.18653/v1/2021.acl-demo.27",
    pages = "227--231"
}
@inproceedings{qi-etal-2021-prophetnet,
    title = "{P}rophet{N}et-{X}: Large-Scale Pre-training Models for {E}nglish, {C}hinese, Multi-lingual, Dialog, and Code Generation",
    author = "Qi, Weizhen  and
      Gong, Yeyun  and
      Yan, Yu  and
      Xu, Can  and
      Yao, Bolun  and
      Zhou, Bartuer  and
      Cheng, Biao  and
      Jiang, Daxin  and
      Chen, Jiusheng  and
      Zhang, Ruofei  and
      Li, Houqiang  and
      Duan, Nan",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.28/",
    doi = "10.18653/v1/2021.acl-demo.28",
    pages = "232--239"
}
@inproceedings{gong-etal-2021-iflyea,
    title = "{IF}ly{EA}: A {C}hinese Essay Assessment System with Automated Rating, Review Generation, and Recommendation",
    author = "Gong, Jiefu  and
      Hu, Xiao  and
      Song, Wei  and
      Fu, Ruiji  and
      Sheng, Zhichao  and
      Zhu, Bo  and
      Wang, Shijin  and
      Liu, Ting",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.29/",
    doi = "10.18653/v1/2021.acl-demo.29",
    pages = "240--248"
}
@inproceedings{alammar-2021-ecco,
    title = "Ecco: An Open Source Library for the Explainability of Transformer Language Models",
    author = "Alammar, J",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.30/",
    doi = "10.18653/v1/2021.acl-demo.30",
    pages = "249--257"
}
@inproceedings{neumann-etal-2021-pawls,
    title = "{PAWLS}: {PDF} Annotation With Labels and Structure",
    author = "Neumann, Mark  and
      Shen, Zejiang  and
      Skjonsberg, Sam",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.31/",
    doi = "10.18653/v1/2021.acl-demo.31",
    pages = "258--264"
}
@inproceedings{shah-etal-2021-tweenlp,
    title = "{T}wee{NLP}: A {T}witter Exploration Portal for Natural Language Processing",
    author = "Shah, Viraj  and
      Singh, Shruti  and
      Singh, Mayank",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.32/",
    doi = "10.18653/v1/2021.acl-demo.32",
    pages = "265--271"
}
@inproceedings{zhang-etal-2021-chrentranslate,
    title = "{C}hr{E}n{T}ranslate: {C}herokee-{E}nglish Machine Translation Demo with Quality Estimation and Corrective Feedback",
    author = "Zhang, Shiyue  and
      Frey, Benjamin  and
      Bansal, Mohit",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.33/",
    doi = "10.18653/v1/2021.acl-demo.33",
    pages = "272--279"
}
@inproceedings{liu-etal-2021-explainaboard,
    title = "{E}xplaina{B}oard: An Explainable Leaderboard for {NLP}",
    author = "Liu, Pengfei  and
      Fu, Jinlan  and
      Xiao, Yang  and
      Yuan, Weizhe  and
      Chang, Shuaichen  and
      Dai, Junqi  and
      Liu, Yixin  and
      Ye, Zihuiwen  and
      Neubig, Graham",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.34/",
    doi = "10.18653/v1/2021.acl-demo.34",
    pages = "280--289"
}
@inproceedings{horn-2021-exploring,
    title = "Exploring Word Usage Change with Continuously Evolving Embeddings",
    author = "Horn, Franziska",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.35/",
    doi = "10.18653/v1/2021.acl-demo.35",
    pages = "290--297"
}
@inproceedings{xu-etal-2021-turing,
    title = "{TURING}: an Accurate and Interpretable Multi-Hypothesis Cross-Domain Natural Language Database Interface",
    author = "Xu, Peng  and
      Zi, Wenjie  and
      Shahidi, Hamidreza  and
      K{\'a}d{\'a}r, {\'A}kos  and
      Tang, Keyi  and
      Yang, Wei  and
      Ateeq, Jawad  and
      Barot, Harsh  and
      Alon, Meidan  and
      Cao, Yanshuai",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.36/",
    doi = "10.18653/v1/2021.acl-demo.36",
    pages = "298--305"
}
@inproceedings{gowda-etal-2021-many,
    title = "Many-to-{E}nglish Machine Translation Tools, Data, and Pretrained Models",
    author = "Gowda, Thamme  and
      Zhang, Zhao  and
      Mattmann, Chris  and
      May, Jonathan",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.37/",
    doi = "10.18653/v1/2021.acl-demo.37",
    pages = "306--316"
}
@inproceedings{li-etal-2021-legoeval,
    title = "{LEGOE}val: An Open-Source Toolkit for Dialogue System Evaluation via Crowdsourcing",
    author = "Li, Yu  and
      Arnold, Josh  and
      Yan, Feifan  and
      Shi, Weiyan  and
      Yu, Zhou",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.38/",
    doi = "10.18653/v1/2021.acl-demo.38",
    pages = "317--324"
}
@inproceedings{chen-etal-2021-retrack,
    title = "{R}e{T}ra{C}k: A Flexible and Efficient Framework for Knowledge Base Question Answering",
    author = "Chen, Shuang  and
      Liu, Qian  and
      Yu, Zhiwei  and
      Lin, Chin-Yew  and
      Lou, Jian-Guang  and
      Jiang, Feng",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.39/",
    doi = "10.18653/v1/2021.acl-demo.39",
    pages = "325--336"
}
@inproceedings{lison-etal-2021-skweak,
    title = "skweak: Weak Supervision Made Easy for {NLP}",
    author = "Lison, Pierre  and
      Barnes, Jeremy  and
      Hubin, Aliaksandr",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.40/",
    doi = "10.18653/v1/2021.acl-demo.40",
    pages = "337--346"
}
@inproceedings{wang-etal-2021-textflint,
    title = "{T}ext{F}lint: Unified Multilingual Robustness Evaluation Toolkit for Natural Language Processing",
    author = "Wang, Xiao  and
      Liu, Qin  and
      Gui, Tao  and
      Zhang, Qi  and
      Zou, Yicheng  and
      Zhou, Xin  and
      Ye, Jiacheng  and
      Zhang, Yongxin  and
      Zheng, Rui  and
      Pang, Zexiong  and
      Wu, Qinzhuo  and
      Li, Zhengyan  and
      Zhang, Chong  and
      Ma, Ruotian  and
      Fei, Zichu  and
      Cai, Ruijian  and
      Zhao, Jun  and
      Hu, Xingwu  and
      Yan, Zhiheng  and
      Tan, Yiding  and
      Hu, Yuan  and
      Bian, Qiyuan  and
      Liu, Zhihua  and
      Qin, Shan  and
      Zhu, Bolin  and
      Xing, Xiaoyu  and
      Fu, Jinlan  and
      Zhang, Yue  and
      Peng, Minlong  and
      Zheng, Xiaoqing  and
      Zhou, Yaqian  and
      Wei, Zhongyu  and
      Qiu, Xipeng  and
      Huang, Xuanjing",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.41/",
    doi = "10.18653/v1/2021.acl-demo.41",
    pages = "347--355"
}
@inproceedings{hsu-etal-2021-stretch,
    title = "Stretch-{VST}: Getting Flexible With Visual Stories",
    author = "Hsu, Chi-yang  and
      Chu, Yun-Wei  and
      Yang, Tsai-Lun  and
      Huang, Ting-Hao  and
      Ku, Lun-Wei",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.42/",
    doi = "10.18653/v1/2021.acl-demo.42",
    pages = "356--362"
}
@inproceedings{zeng-etal-2021-openattack,
    title = "{O}pen{A}ttack: An Open-source Textual Adversarial Attack Toolkit",
    author = "Zeng, Guoyang  and
      Qi, Fanchao  and
      Zhou, Qianrui  and
      Zhang, Tingji  and
      Ma, Zixian  and
      Hou, Bairu  and
      Zang, Yuan  and
      Liu, Zhiyuan  and
      Sun, Maosong",
    editor = "Ji, Heng  and
      Park, Jong C.  and
      Xia, Rui",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-demo.43/",
    doi = "10.18653/v1/2021.acl-demo.43",
    pages = "363--371"
}