@inproceedings{tsukamoto-etal-2002-learning,
    title = "Learning with Multiple Stacking for Named Entity Recognition",
    author = "Tsukamoto, Koji  and
      Mitsuishi, Yutaka  and
      Sassano, Manabu",
    booktitle = "{COLING}-02: The 6th Conference on Natural Language Learning 2002 ({C}o{NLL}-2002)",
    year = "2002",
    url = "https://preview.aclanthology.org/ingest_wac_2008/W02-2031/"
}