Sastry Duri Jeffrey Elliott Marco Gruteser Xuan Liu Paul Moskowitz Ronald Perez Moninder Singh Jung-Mu Tang Data Protection and Data Sharing in Telematics. 693-701 2004 9 MONET 6 http://dx.doi.org/10.1023/B:MONE.0000042507.74516.00 db/journals/monet/monet9.html#DuriEGLMPST04