# 01-02
## MAP
用dot當推薦
### GraphSAGE
#### train
只用Vemb, Aemb沒有辦法得到更好的效果, 因為同樣的V和A有過多不同的Pemb
85萬筆data中有3萬多有這問題
#### test
### DeepWalk
## Recall
### GraphSAGE
#### train
#### test
## BEACON
https://www.ijcai.org/proceedings/2019/0389.pdf
* 2018 AAAI前
* top 50 conference
* 寫過超過3篇paper的作者，共10991位作者
* Total items: 16798
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