@inproceedings{zhang-xu-2015-annotation,
    title = "Annotation and Classification of an Email Importance Corpus",
    author = "Zhang, Fan  and
      Xu, Kui",
    editor = "Zong, Chengqing  and
      Strube, Michael",
    booktitle = "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)",
    month = jul,
    year = "2015",
    address = "Beijing, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/P15-2107/",
    doi = "10.3115/v1/P15-2107",
    pages = "651--656"
}