Robust/fast out-of-vocabulary spoken term detection by N-gram index with exact distance through text/speech input. - Nagisa Sakamoto; Seiichi Nakagawa (APSIPA, 2013)

Spoken Term Detection by N-gram Index with Exact Distance for NTCIR-SpokenDoc2. - Nagisa Sakamoto; Seiichi Nakagawa (NTCIR, 2013)

Sopoken Term Detection Based on a Syllable N-gram Index at the NTCIR-11 SpokenQuery&Doc Task. - Nagisa Sakamoto; Kazumasa Yamamoto; Seiichi Nakagawa (NTCIR, 2014)

Combination of syllable based N-gram search and word search for spoken term detection through spoken queries and IV/OOV classification. - Nagisa Sakamoto; Kazumasa Yamamoto; Seiichi Nakagawa (ASRU, 2015)