@inproceedings{yimam-etal-2013-webanno,
    title = "{W}eb{A}nno: A Flexible, Web-based and Visually Supported System for Distributed Annotations",
    author = "Yimam, Seid Muhie  and
      Gurevych, Iryna  and
      Eckart de Castilho, Richard  and
      Biemann, Chris",
    editor = "Butt, Miriam  and
      Hussain, Sarmad",
    booktitle = "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics: System Demonstrations",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P13-4001/",
    pages = "1--6"
}