Read yelp2018 dataset done! u_num: 31668, i_num: 38048
Load a pre-trained model
 UL AUC before unlearning: 0.5051
ACC AUC before unlearning: 0.8838
NDCG@20 before unlearning: 0.0277
[RECUL] START TRAINING. CURRENT TIME: 0.01min.
[RECUL] PREPROCESS FINISHED. CURRENT TIME: 0.01min.
[RecUL] Epoch [1/2000], Loss: 2.2199, UL AUC: 0.8385, ACC AUC: 0.7957, ACC NDCG@20: 0.0277, Current time: 0.11min
[RecUL] Epoch [2/2000], Loss: 1.9518, UL AUC: 0.8322, ACC AUC: 0.8023, ACC NDCG@20: 0.0279, Current time: 0.19min
[RecUL] Epoch [3/2000], Loss: 1.9080, UL AUC: 0.8137, ACC AUC: 0.8069, ACC NDCG@20: 0.0278, Current time: 0.28min
[RecUL] Epoch [4/2000], Loss: 1.8802, UL AUC: 0.8254, ACC AUC: 0.7887, ACC NDCG@20: 0.0277, Current time: 0.36min
[RecUL] Epoch [5/2000], Loss: 1.8633, UL AUC: 0.8206, ACC AUC: 0.7943, ACC NDCG@20: 0.0277, Current time: 0.44min
[RecUL] Epoch [6/2000], Loss: 1.8370, UL AUC: 0.7688, ACC AUC: 0.8148, ACC NDCG@20: 0.0276, Current time: 0.52min
[RecUL] Epoch [7/2000], Loss: 1.8262, UL AUC: 0.7932, ACC AUC: 0.8114, ACC NDCG@20: 0.0275, Current time: 0.60min
[RecUL] Epoch [8/2000], Loss: 1.8347, UL AUC: 0.8167, ACC AUC: 0.7906, ACC NDCG@20: 0.0274, Current time: 0.68min
[RecUL] Epoch [9/2000], Loss: 1.8126, UL AUC: 0.7958, ACC AUC: 0.7919, ACC NDCG@20: 0.0275, Current time: 0.76min
[RecUL] Epoch [10/2000], Loss: 1.7936, UL AUC: 0.8016, ACC AUC: 0.7886, ACC NDCG@20: 0.0274, Current time: 0.84min
[RecUL] Epoch [11/2000], Loss: 1.7872, UL AUC: 0.7854, ACC AUC: 0.7927, ACC NDCG@20: 0.0275, Current time: 0.93min
Best UL AUC: 0.8385, Best epoch: 0, total time: 1.01min
[RECUL] TRAINING FINISHED. TOTAL TIME: 1.01min.
Precision@20: 0.0162; Recall@20: 0.0357;  NDCG@20: 0.0278;  
Precision@50: 0.0144; Recall@50: 0.0787;  NDCG@50: 0.0439;  
Precision@100: 0.0126; Recall@100: 0.1363;  NDCG@100: 0.0627;  
Before unlearning: ACC AUC: 0.8838, UL AUC: 0.5051, ACC NDCG@20: 0.0277
After unlearning: ACC AUC: 0.7957, UL AUC: 0.8385, ACC NDCG@20: 0.0278
