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An improved feature extraction algorithm for insider threat using hidden Markov model on user behavior detection.
Xiaoyun Ye
Myung-Mook Han
Published in:
Inf. Comput. Secur. (2022)
Keyphrases
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hidden markov models
user behavior
feature extraction
forward backward
markov model
viterbi algorithm
dynamic programming
probabilistic model
speech recognition
expectation maximization
user interaction
anomaly detection
continuous hidden markov models
user preferences