Table 10 CoLog in comparison to other log anomaly detection methods on the BlueGene/L 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

54.028

51.852

52.092

90.368

Support Vector Machines109

46.314

50.000

48.087

92.628

Decision Tree110

60.576

50.998

50.303

92.348

Attentional BiLSTM63

97.640

97.955

97.792

97.902

Convolutional Neural Network46

97.640

97.955

97.792

97.902

pylogsentiment38

99.892

99.963

99.928

99.980

Unsupervised Methods

Isolation Forest144

53.081

50.047

51.519

47.389

Principal Component Analysis12

51.168

54.260

38.970

48.487

LSTM36

97.414

98.296

97.806

97.902

Transformer80

97.640

97.955

97.792

97.902

\(\hbox {CoLog}^{1}\)

\(\mathbf {99.999}\)

\(\mathbf {99.990}\)

\(\mathbf {99.994}\)

\(\mathbf {99.998}\)

  1. CoLog is a supervised method.