Multi-Class Composite N-gram Language Model for Spoken Language Processing Using Multiple Word Clusters. - Hirofumi Yamamoto; Shuntaro Isogai; Yoshinori Sagisaka (ACL, 2001)

Multi-class composite n-gram language model using multiple word clusters and word successions. - Shuntaro Isogai; Katsuhiko Shirai; Hirofumi Yamamoto; Yoshinori Sagisaka (INTERSPEECH, 2001)

Information Retrieval using Relevance Feedback. - Shuntaro Isogai; Shigeki Ohira; Katsuhiko Shirai (NTCIR, 2001)

Multi-class composite N-gram language model. - Hirofumi Yamamoto; Shuntaro Isogai; Yoshinori Sagisaka (Speech Commun., 2003)