It is not surprising that there is strong interest in kNN queries to enable clustering, classification and outlierdetection tasks. However, previous approaches to privacypreservi...
This demonstration presents iPDA, a system to support privacy-preserving data access in location-based mobile services. The iPDA system consists of three main components: 1) a mob...
Spatial generalization has been recently proposed as a technique for the anonymization of requests in location based services. This paper presents the results of an extensive expe...