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# System prepended metadata

title: 04-27

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# 04-27
## Rolling train

validate 284
![](https://i.imgur.com/1caITyL.png)


## Session based/ Sequential models
> https://arxiv.org/pdf/1905.01997.pdf
> https://github.com/OnYuKang/Recommendation-systems-paperlist
> https://yanhuibin315.github.io/2019/07/03/%E5%8A%A8%E6%80%81%E7%9F%A5%E8%AF%86%E5%9B%BE%E8%B0%B1%E8%A1%A5%E5%85%A8%E6%95%B4%E5%90%88/

Sequential -> Session -> Dynamic Graph -> KG with t

![](https://i.imgur.com/7KmQ77a.png)

* GRU4Rec
* Caser
* STAMP: Short-Term Attention/Memory Priority Model for Session-based Recommendation
* SASRec
* BERT4Rec

![](https://i.imgur.com/eijgePR.png)

**GRU -> CNN -> Attention**

## KDD 2019
* Hierarchical Gating Networks for Sequential Recommendation
* Streaming Session-based Recommendation
* Session-based Social Recommendation via Dynamic Graph Attention Networks
* SR-GNN
**開始嘗試使用GNN**

## 2020 AAAI
* Sequential Recommendation with Relation-Aware Kernelized Self-Attention
* Memory Augmented Graph Neural Networks for Sequential Recommendation
**都考慮了item共同出現的頻率**

## open dataset
* Amazon Beauty
* Steam
* Movielens
* youchoose
* yelp
