Description of the Oki System as Used for MUC-7 J Fukumoto author F Masui author M Shimcheta author M Saski author 1998 text Seventh Message Understanding Conference (MUC-7): Proceedings of a Conference Held in Fairfax, Virginia, April 29 - May 1, 1998 conference publication fukumoto-etal-1998-description https://aclanthology.org/M98-1004/ 1998