Secure Keyword Search Using Bloom Filter with Specified Character Positions. - Takanori Suga; Takashi Nishide; Kouichi Sakurai (ProvSec, 2012)

Character-based symmetric searchable encryption and its implementation and experiment on mobile devices. - Takanori Suga; Takashi Nishide; Kouichi Sakurai (Secur. Commun. Networks, 2016)