Upload README.md

README.md

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+# Gowalla_m1
+
++ **Dataset description:**
+
+  The dataset statistics are summarized as follows:
+
+  | Dataset ID         | #Users | #Items | #Interactions |   #Train  |  #Test  | Density |
+  |:--------------:|:------:|:------:|:-------------:|:---------:|:-------:|:-------:|
+  | Gowalla_m1 | 29,858  | 40,981  |  1,027,370    | 810,128  | 217,242  |  0.00084  |    
+
++ **Source:** https://snap.stanford.edu/data/loc-gowalla.html
++ **Download:** https://huggingface.co/datasets/reczoo/Gowalla_m1/tree/main
++ **RecZoo Datasets:** https://github.com/reczoo/Datasets
+
++ **Used by papers:** 
+    - Xiangnan He, Kuan Deng, Xiang Wang, Yan Li, Yongdong Zhang, Meng Wang. [LightGCN: Simplifying and Powering Graph Convolution Network for Recommendation](https://arxiv.org/abs/2002.02126). In SIGIR 2020.
+    - Kelong Mao, Jieming Zhu, Jinpeng Wang, Quanyu Dai, Zhenhua Dong, Xi Xiao, Xiuqiang He. [SimpleX: A Simple and Strong Baseline for Collaborative Filtering](https://arxiv.org/abs/2109.12613). In CIKM 2021.
+    - Kelong Mao, Jieming Zhu, Xi Xiao, Biao Lu, Zhaowei Wang, Xiuqiang He. [UltraGCN: Ultra Simplification of Graph Convolutional Networks for Recommendation](https://arxiv.org/abs/2110.15114). In CIKM 2021.
+
++ **Check the md5sum for data integrity:**
+  ```bash
+  $ md5sum *.txt
+  13b1c0d75b07b8cea9413f40042f476f  item_list.txt
+  c04e2c4bcd2389f53ed8281816166149  test.txt
+  5eec1eb2edb8dd648377d348b8e136cf  train.txt
+  f83ec6f2cd974ba6470e8808830cc144  user_list.txt
+  ```