Research Article

Cache Pollution Detection Method Based on GBDT in Information-Centric Network

Table 5

LightGBM-related parameter settings.

ParameterValueDescription

ObjectiveBinaryTwo classification problem
Num_leaves50Up to 50 leaf nodes per tree
max_depth8The maximum depth of the tree is 8
learning_rate0.01Learning rate is 0.01
reg_alpha0.005L1 regular weight is 0.005
reg_lambda0.0005L2 regular weight 0.0005
Subsample0.9Selective feature probability
n_estimators4000Maximum number of iterations
early_stopping_rounds200Early stopping rounds