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Security and Communication Networks
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Security and Communication Networks
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2018
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Article
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Fig 1
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Research Article
A New Type of Graphical Passwords Based on Odd-Elegant Labelled Graphs
Figure 1
(a) An odd-elegant tree; (b) an odd-elegant graph; (c) a set-ordered odd-elegant tree; (d) a set-ordered odd-elegant graph.
(a)
(b)
(c)
(d)