Source-extended language model for large vocabulary continuous speech recognition. - Tetsunori Kobayashi; Yosuke Wada; Norihiko Kobayashi (ICSLP, 1998)

Robust language modeling for a small corpus of target tasks using class-combined word statistics and selective use of a general corpus. - Yosuke Wada; Norihiko Kobayashi; Tetsunori Kobayashi (Syst. Comput. Jpn., 2003)