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Table 5 Confusion matrix used for evaluation

From: Group topic-author model for efficient discovery of latent social astroturfing groups in tourism domain

  Ground Truth (correct group decision for given topic) Ground Truth (incorrect group decision for given topic)
Algorithm (correct group decision for given topic) True Positive (TP) False Positive (FP)
Algorithm (incorrect group decision for given topic) False Negative (FN) True Negative (TN)