Read gowalla dataset done! u_num: 29858, i_num: 40981
Load a pre-trained model
UL AUC before unlearning: 0.5017
ACC AUC before unlearning: 0.9346
NDCG@20 before unlearning: 0.1355
Start phantom user assignment k-means!
Finish phantom user assignment k-means!
AUC before unlearning: 0.6690
NDCG@20 before unlearning: 0.1349
[RECUL] START TRAINING. CURRENT TIME: 0.15min.
[RECUL] PREPROCESS FINISHED. CURRENT TIME: 0.05min.
[RecUL] Epoch [1/2000], Loss: 1.7685, UL AUC: 0.8453, ACC AUC: 0.7918, ACC NDCG@20: 0.1353, Current time: 0.20min
[RecUL] Epoch [2/2000], Loss: 1.0536, UL AUC: 0.8259, ACC AUC: 0.8549, ACC NDCG@20: 0.1358, Current time: 0.33min
[RecUL] Epoch [3/2000], Loss: 0.7791, UL AUC: 0.8065, ACC AUC: 0.8723, ACC NDCG@20: 0.1359, Current time: 0.46min
[RecUL] Epoch [4/2000], Loss: 0.6668, UL AUC: 0.8018, ACC AUC: 0.8778, ACC NDCG@20: 0.1359, Current time: 0.60min
[RecUL] Epoch [5/2000], Loss: 0.6489, UL AUC: 0.7930, ACC AUC: 0.8861, ACC NDCG@20: 0.1360, Current time: 0.73min
[RecUL] Epoch [6/2000], Loss: 0.6088, UL AUC: 0.7989, ACC AUC: 0.8908, ACC NDCG@20: 0.1362, Current time: 0.86min
[RecUL] Epoch [7/2000], Loss: 0.5865, UL AUC: 0.8062, ACC AUC: 0.8908, ACC NDCG@20: 0.1362, Current time: 1.00min
[RecUL] Epoch [8/2000], Loss: 0.5081, UL AUC: 0.8072, ACC AUC: 0.8927, ACC NDCG@20: 0.1363, Current time: 1.13min
[RecUL] Epoch [9/2000], Loss: 0.5224, UL AUC: 0.7966, ACC AUC: 0.8974, ACC NDCG@20: 0.1362, Current time: 1.26min
[RecUL] Epoch [10/2000], Loss: 0.5067, UL AUC: 0.8006, ACC AUC: 0.8969, ACC NDCG@20: 0.1361, Current time: 1.39min
[RecUL] Epoch [11/2000], Loss: 0.5049, UL AUC: 0.8046, ACC AUC: 0.8984, ACC NDCG@20: 0.1360, Current time: 1.52min
Best UL AUC: 0.8453, Best epoch: 0, total time: 1.66min
[RECUL] TRAINING FINISHED. TOTAL TIME: 1.80min.
Precision@20: 0.0493; Recall@20: 0.1610;  NDCG@20: 0.1358;  
Precision@50: 0.0314; Recall@50: 0.2516;  NDCG@50: 0.1644;  
Precision@100: 0.0217; Recall@100: 0.3417;  NDCG@100: 0.1898;  
Before unlearning: ACC AUC: 0.9346, UL AUC: 0.5017, ACC NDCG@20: 0.1355
After unlearning: ACC AUC: 0.7918, UL AUC: 0.8453, ACC NDCG@20: 0.1358
