Co-training was initially used to classify web-pages using the text on the page as one view and the anchor text of hyperlinks on other pages that point to the page as the other view.
Blum, A., Mitchell, T. Combining labeled and unlabeled data with co-training COLT: Proceedings of the Workshop on Computational Learning Theory, Morgan Kaufmann, 1998, p. 92-100.
Hughes Aircraft Co., Training & Support Systems Group. (contract for overhaul and repair of AN/ AWG9 weapons control system and AWN-23 test equipment system used on F-14 aircraft) (Defense Contracts)
May 10, 1993; * Hughes Aircraft Co., Training & Support Systems Group, Long Beach, Calif., $7.3 million firm fixe -price indefinite...