@inproceedings{grishman-2011-invited,
    title = "INVITED TALK 1: The Knowledge Base Population Task: Challenges for Information Extraction",
    author = "Grishman, Ralph",
    editor = "Nakov, Preslav  and
      Kozareva, Zornitsa  and
      Ganchev, Kuzman  and
      Hobbs, Jerry",
    booktitle = "Proceedings of the {RANLP} 2011 Workshop on Information Extraction and Knowledge Acquisition",
    month = sep,
    year = "2011",
    address = "Hissar, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/W11-4001/",
    pages = "1"
}