@inproceedings{ekbaletal:2010,
    author = "Ekbal, Asif and Sourjikova, Eva and Frank, Anette and Ponzetto, Simone Paolo",
    title = "{Assessing the Challenge of Fine-grained Named Entity Recognition and Classification}",
    year = "2010",
    url = "http://aclweb.org/anthology-new/W/W10/W10-2415.pdf",
    booktitle = "Proceedings of the ACL 2010 Named Entity Workshop (NEWS)",
    address = "Uppsala, Sweden",
    pages = "{93-101}"
}