Table 9 CoLog in comparison to other log anomaly detection methods on the Hadoop dataset. Bold numbers indicate the outstanding results.

From: A unified framework for detecting point and collective anomalies in operating system logs via collaborative transformers

Anomaly detection technique

Precision

Recall

F1-Score

Accuracy

Supervised Methods

Logistic Regression143

48.523

50.000

49.250

97.046

Support Vector Machines109

48.523

50.000

49.250

97.046

Decision Tree110

48.523

50.000

49.250

97.046

Attentional BiLSTM63

97.640

97.955

97.792

97.902

Convolutional Neural Network46

99.719

99.847

99.783

99.955

pylogsentiment38

99.886

99.732

99.809

99.905

Unsupervised Methods

Isolation Forest144

47.702

50.000

48.824

54.034

Principal Component Analysis12

49.995

49.996

49.996

58.214

LSTM36

99.850

97.397

98.589

99.715

Transformer80

97.280

99.833

98.518

99.685

CoLog

\(\mathbf {99.997}\)

\(\mathbf {99.956}\)

\(\mathbf {99.977}\)

\(\mathbf {99.994}\)

  1. CoLog is a supervised method.