Upload README.md

README.md

@@ -15,7 +15,7 @@
 + **Repository:** https://github.com/reczoo/Datasets
 
 + **Used by papers:** 
-    - 	Bin Liu, Niannan Xue, Huifeng Guo, Ruiming Tang, Stefanos Zafeiriou, Xiuqiang He, Zhenguo Li. [AutoGroup: Automatic Feature Grouping for Modelling Explicit High-Order Feature Interactions in CTR Prediction](https://dl.acm.org/doi/abs/10.1145/3397271.3401082). In SIGIR 2020.
+    - Bin Liu, Niannan Xue, Huifeng Guo, Ruiming Tang, Stefanos Zafeiriou, Xiuqiang He, Zhenguo Li. [AutoGroup: Automatic Feature Grouping for Modelling Explicit High-Order Feature Interactions in CTR Prediction](https://dl.acm.org/doi/abs/10.1145/3397271.3401082). In SIGIR 2020.
 
 + **Check the md5sum for data integrity:**
     ```bash