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With the extensive application of RFID technology, people pay more and more attention to its security and privacy issues. Currently, security issues have become major factors which impede the large-scale applications of RFID technology. In this paper, security issues existing in RFID system are analyzed and the main authentication mechanisms proposed at(More)
RFID system is used widely in different applications and comes in a myriad of forms today. It is doomed to be concerned by people and still be the hot spot of research in the next few years. In this paper, Key issues of RFID reader network system are studied, such as taxonomy of RFID system, collision problems, security and privacy problems, etc. In the(More)
Three-dimensional representation of a vague value is the direct embodiment of the thinking of vague sets. The transformation of a vague value is a method used to discover the new knowledge from the unknown information. Two kinds of similarity measures between vague sets (elements) based on the transformation were presented. Finally, these formulas are(More)
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