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Table 7 Authentication success rate for threshold based scheme in Study ‐ 1

From: Designing challenge questions for location‐based authentication systems: a real‐life study

  Type‐1 Type‐2 Type‐3
  Legitimate Strong Naive Legitimate Strong Naive Legitimate Strong Naive
Th = 100 % 68.5 % 10.9 % 0.0 % 59.9 % 7.0 % 0.0 % 44.1 % 0.0 % 0.0 %
Th = 80 % 77.7 % 17.0 % 0.0 % 64.7 % 7.0 % 0.0 % 53.4 % 0.0 % 0.0 %
Th = 60 % 90.5 % 39.1 % 2.2 % 74.7 % 8.4 % 0.0 % 71.7 % 11.3 % 0.4 %
Th = 50 % 95.1 % 51.2 % 6.4 % 80.2 % 11.6 % 0.4 % 83.3 % 17.9 % 1.3 %