Update README.md

README.md

@@ -70,12 +70,13 @@ BT11 is a dataset for identifier segmentation, i.e. the task of adding spaces be
 ### Citation Information
 
 ```
-@inproceedings{li2018helpful,
-  title={Helpful or Not? An investigation on the feasibility of identifier splitting via CNN-BiLSTM-CRF.},
-  author={Li, Jiechu and Du, Qingfeng and Shi, Kun and He, Yu and Wang, Xin and Xu, Jincheng},
-  booktitle={SEKE},
-  pages={175--174},
-  year={2018}
+@inproceedings{butler2011improving,
+  title={Improving the tokenisation of identifier names},
+  author={Butler, Simon and Wermelinger, Michel and Yu, Yijun and Sharp, Helen},
+  booktitle={European Conference on Object-Oriented Programming},
+  pages={130--154},
+  year={2011},
+  organization={Springer}
 }
 ```