Evaluation Framework Design of Spoken Term Detection Study at the NTCIR-9 IR for Spoken Documents Task 論文 Hiromitsu Nishizaki・Tomoyosi Akiba・Kiyoaki Aikawa・Tatsuya Kawahara・Tomoko Matsui ·2012 ·『自然言語処理』 19(4) pp. 329-350 doi:10.5715/jnlp.19.329