- Dataset : Melon playlist
Users: 105141
Songs: 35919 (Total Songs = 707,989 : Freqeuncy > 25) - Model : Neural Collaborative Filtering[
]
- NDCG@10
- HR@10
split.py: 학습 데이터와 테스트 데이터를 어떻게 나누었는지에 대한 내용
Data_Loader.py: 데이터를 신경망에서 돌리기 위한 전처리 과정
metrics.py: Hit Ratio(HR)과 NDCG
model.py: NCF 모델
evaluate.py: 어떤 방식으로 평가하는지에 대한 내용
main.py: 모델 실행시키기 위한 파일
python3 main.py --optim=adam --lr=1e-3 --epochs=20
--batch_size=1024 --latent_dim_mf=8
--num_layers=3 --num_neg=5 --l2=0.0 --gpu=2,3Num Neg : 학습할 때 사용하는 Negative의 비율, 이 때 기준은 각 유저당 Positive의 개수
Num Factor : 임베딩 차원의 크기
Num Layer : MLP에서 쌓는 레이어의 개수
Num Neg : 1,5,10
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7502 | 0.4697 | 1 | 4 | 1 |
| 0.7328 | 0.4705 | 5 | 4 | 1 |
| 0.6362 | 0.4021 | 10 | 4 | 1 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7912 | 0.5140 | 1 | 8 | 1 |
| 0.8013 | 0.5444 | 5 | 8 | 1 |
| 0.7469 | 0.5026 | 10 | 8 | 1 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8224 | 0.5610 | 1 | 16 | 1 |
| 0.8270 | 0.5853 | 5 | 16 | 1 |
| 0.7984 | 0.5598 | 10 | 16 | 1 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7678 | 0.4896 | 1 | 4 | 2 |
| 0.7757 | 0.5152 | 5 | 4 | 2 |
| 0.7064 | 0.4631 | 10 | 4 | 2 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7965 | 0.5266 | 1 | 8 | 2 |
| 0.8000 | 0.5527 | 5 | 8 | 2 |
| 0.7481 | 0.5055 | 10 | 8 | 2 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8152 | 0.5576 | 1 | 16 | 2 |
| 0.8193 | 0.5795 | 5 | 16 | 2 |
| 0.7898 | 0.5530 | 10 | 16 | 2 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7824 | 0.5097 | 1 | 4 | 3 |
| 0.7882 | 0.5372 | 5 | 4 | 3 |
| 0.7185 | 0.4769 | 10 | 4 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8030 | 0.5412 | 1 | 8 | 3 |
| 0.8026 | 0.5524 | 5 | 8 | 3 |
| 0.7696 | 0.5324 | 10 | 8 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8155 | 0.5590 | 1 | 16 | 3 |
| 0.8152 | 0.5732 | 5 | 16 | 3 |
| 0.7860 | 0.5465 | 10 | 16 | 3 |
Num Factor : 4,8,16
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7502 | 0.4697 | 1 | 4 | 1 |
| 0.7912 | 0.5140 | 1 | 8 | 1 |
| 0.8224 | 0.5610 | 1 | 16 | 1 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7328 | 0.4705 | 5 | 4 | 1 |
| 0.8013 | 0.5444 | 5 | 8 | 1 |
| 0.8270 | 0.5853 | 5 | 16 | 1 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.6362 | 0.4021 | 10 | 4 | 1 |
| 0.7469 | 0.5026 | 10 | 8 | 1 |
| 0.7984 | 0.5598 | 10 | 16 | 1 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7678 | 0.4896 | 1 | 4 | 2 |
| 0.7965 | 0.5266 | 1 | 8 | 2 |
| 0.8152 | 0.5576 | 1 | 16 | 2 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7757 | 0.5152 | 5 | 4 | 2 |
| 0.8000 | 0.5527 | 5 | 8 | 2 |
| 0.8193 | 0.5795 | 5 | 16 | 2 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7064 | 0.4631 | 10 | 4 | 2 |
| 0.7481 | 0.5055 | 10 | 8 | 2 |
| 0.7898 | 0.5530 | 10 | 16 | 2 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7824 | 0.5097 | 1 | 4 | 3 |
| 0.8030 | 0.5412 | 1 | 8 | 3 |
| 0.8155 | 0.5590 | 1 | 16 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7882 | 0.5372 | 5 | 4 | 3 |
| 0.8026 | 0.5524 | 5 | 8 | 3 |
| 0.8152 | 0.5732 | 5 | 16 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7185 | 0.4769 | 10 | 4 | 3 |
| 0.7696 | 0.5324 | 10 | 8 | 3 |
| 0.7860 | 0.5465 | 10 | 16 | 3 |
Num Layer : 1,2,3
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7502 | 0.4697 | 1 | 4 | 1 |
| 0.7678 | 0.4896 | 1 | 4 | 2 |
| 0.7824 | 0.5097 | 1 | 4 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7328 | 0.4705 | 5 | 4 | 1 |
| 0.7757 | 0.5152 | 5 | 4 | 2 |
| 0.7882 | 0.5372 | 5 | 4 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.6362 | 0.4021 | 10 | 4 | 1 |
| 0.7064 | 0.4631 | 10 | 4 | 2 |
| 0.7185 | 0.4769 | 10 | 4 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7912 | 0.5140 | 1 | 8 | 1 |
| 0.7965 | 0.5266 | 1 | 8 | 2 |
| 0.8030 | 0.5412 | 1 | 8 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8013 | 0.5444 | 5 | 8 | 1 |
| 0.8000 | 0.5527 | 5 | 8 | 2 |
| 0.8026 | 0.5524 | 5 | 8 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7469 | 0.5026 | 10 | 8 | 1 |
| 0.7481 | 0.5055 | 10 | 8 | 2 |
| 0.7696 | 0.5324 | 10 | 8 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8224 | 0.5610 | 1 | 16 | 1 |
| 0.8152 | 0.5576 | 1 | 16 | 2 |
| 0.8155 | 0.5590 | 1 | 16 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.8270 | 0.5853 | 5 | 16 | 1 |
| 0.8193 | 0.5795 | 5 | 16 | 2 |
| 0.8152 | 0.5732 | 5 | 16 | 3 |
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7984 | 0.5598 | 10 | 16 | 1 |
| 0.7898 | 0.5530 | 10 | 16 | 2 |
| 0.7860 | 0.5465 | 10 | 16 | 3 |
총 실험결과
| HR@10 | NDCG@10 | Num of Neg | Num Factor | Num Layer |
|---|---|---|---|---|
| 0.7502 | 0.4697 | 1 | 4 | 1 |
| 0.7328 | 0.4705 | 5 | 4 | 1 |
| 0.6362 | 0.4021 | 10 | 4 | 1 |
| 0.7912 | 0.5140 | 1 | 8 | 1 |
| 0.8013 | 0.5444 | 5 | 8 | 1 |
| 0.7469 | 0.5026 | 10 | 8 | 1 |
| 0.8224 | 0.5610 | 1 | 16 | 1 |
| 0.8270 | 0.5853 | 5 | 16 | 1 |
| 0.7984 | 0.5598 | 10 | 16 | 1 |
| 0.7678 | 0.4896 | 1 | 4 | 2 |
| 0.7757 | 0.5152 | 5 | 4 | 2 |
| 0.7064 | 0.4631 | 10 | 4 | 2 |
| 0.7965 | 0.5266 | 1 | 8 | 2 |
| 0.8000 | 0.5527 | 5 | 8 | 2 |
| 0.7481 | 0.5055 | 10 | 8 | 2 |
| 0.8152 | 0.5576 | 1 | 16 | 2 |
| 0.8193 | 0.5795 | 5 | 16 | 2 |
| 0.7898 | 0.5530 | 10 | 16 | 2 |
| 0.7824 | 0.5097 | 1 | 4 | 3 |
| 0.7882 | 0.5372 | 5 | 4 | 3 |
| 0.7185 | 0.4769 | 10 | 4 | 3 |
| 0.8030 | 0.5412 | 1 | 8 | 3 |
| 0.8026 | 0.5524 | 5 | 8 | 3 |
| 0.7696 | 0.5324 | 10 | 8 | 3 |
| 0.8155 | 0.5590 | 1 | 16 | 3 |
| 0.8152 | 0.5732 | 5 | 16 | 3 |
| 0.7860 | 0.5465 | 10 | 16 | 3 |
