Machine translation system PENSÉE: system design and implementation. - Sayori Shimohata; Toshiki Murata; Atsushi Ikeno; Tsuyoshi Fukui; Hideki Yamamoto (MTSummit, 1999)

Oki QA System for QAC-1. - Atsushi Ikeno; Hiroyuki Ohnuma (NTCIR, 2002)

Oki QA System for QAC-2. - Masachika Fuchigami; Hiroyuki Ohnuma; Atsushi Ikeno (NTCIR, 2004)

Laddering Search Service System: "LadaSearch". - Mihoko Kitamura; Sayori Shimohata; Tatsuya Sukehiro; Atsushi Ikeno; Masashi Sakamoto; Ikuo Orihara; Toshiki Murata (ISUC, 2008)

Prototype of Conversation Support System for Activating Group Conversation in the Vehicle. - Susumu Kono; Yohei Wakisaka; Atsushi Ikeno (HCI (3), 2016)