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With regard to the spread of innovative technologies, wireless sensor networks (WSNs) have great research interest in recent years. Although the WSN service is being facilitated, security related accidents are continuously incurring. In particular, many activities between mobile devices and sensor nodes take place without too much of protection of privacy information. To avoid these risks in WSN, we do need to devise the privacy care architecture to prevent the private data loss or breachdoi:10.1155/2013/369502 fatcat:de52rlz6qrdrlebafffmcqobea