Friend News System: A Modern Implementation of Usenet over Social VPNs. - Yasushi Shinjo; Xiao Kunyao; Naoki Kainuma; Daiyuu Nobori; Akira Sato (BDCloud, 2014)

ABnews: A Fast Private Social Messaging System Using Untrusted Storage and Attribute-Based Encryption. - Yasushi Shinjo; Sota Naito; Xiao Kunyao; Akira Sato (PST, 2017)