Settings of Access Control by Detecting Privacy Leaks in SNS. - Shimon Machida; Shigeru Shimada; Isao Echizen (SITIS, 2013)

Analysis of Facebook Friends Using Disclosure Level. - Shimon Machida; Tomoko Kajiyama; Shigeru Shimada; Isao Echizen (IIH-MSP, 2014)

Definition of Private Information for Image Sharing in Social Networking Services. - Erwan Chaussy; Shimon Machida; Noboru Sonehara; Isao Echizen (IWDW, 2014)

Privacy Protection Corresponding to User's Contents in Social Networking Services. - Shimon Machida (2016)

PrivacyTag: A Community-Based Method for Protecting Privacy of Photographed Subjects in Online Social Networks. - Shimon Machida; Adrian Dabrowski; Edgar R. Weippl; Isao Echizen (I3E, 2017)