@inproceedings{sekine-etal-2002-extended, title = "Extended Named Entity Hierarchy", author = "Sekine, Satoshi and Sudo, Kiyoshi and Nobata, Chikashi", editor = "Gonz{\'a}lez Rodr{\'i}guez, Manuel and Suarez Araujo, Carmen Paz", booktitle = "Proceedings of the Third International Conference on Language Resources and Evaluation ({LREC}`02)", month = may, year = "2002", address = "Las Palmas, Canary Islands - Spain", publisher = "European Language Resources Association (ELRA)", url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/L02-1120/" }