OKSAT at NTCIR-11 RecipeSearch: Categorization and Expansion of Search Terms in Topics. - Takashi Sato 005; Shingo Aoki; Yuta Morishita (NTCIR, 2014)

OKSAT at NTCIR-12 Short Text Conversation Task: Priority to Short Comments, Filtering by Characteristic Words and Topic Classification. - Takashi Sato; Yuta Morishita; Shota Shibukawa (NTCIR, 2016)