Anonymizing user location and profile information for privacy-aware mobile services. - Masanori Mano; Yoshiharu Ishikawa (GIS-LBSN, 2010)

Privacy Preservation for Location-Based Services Based on Attribute Visibility. - Masanori Mano; Xi Guo 001; Tingting Dong; Yoshiharu Ishikawa (IMMoA, 2012)