A method for improving full text search using signature files. - Yoshihiro Yamakawa; Masao Fuketa; Kazuhiro Morita; Jun-ichi Aoe (Int. J. Comput. Math., 2001)

Fast insertion methods of a double-array structure. - Kazuhiro Morita; Masao Fuketa; Yoshihiro Yamakawa; Jun-ichi Aoe (Softw. Pract. Exp., 2001)