OPAQUE: Protecting Path Privacy in Directions Search

• Main Authors: LEE, Ken C. K., LEE, Wang-Chien, LEONG, Hong Va, ZHENG, Baihua
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2009
• Subjects: Databases and Information Systems; Numerical Analysis and Scientific Computing
• Online Access: https://ink.library.smu.edu.sg/sis_research/379; https://ink.library.smu.edu.sg/context/sis_research/article/1378/viewcontent/icde09_short_privacy.pdf
• Institution: Singapore Management University

Directions search returns the shortest path from a source to a destination on a road network. However, the search interests of users may be exposed to the service providers, thus raising privacy concerns. For instance, a path query that finds a path from a resident address to a clinic may lead to a...