Update README.md

README.md

@@ -30,7 +30,7 @@ Logparser provides a toolkit and benchmarks for automated log parsing, which is
 | LenMa | [**CNSM'15**] [Length Matters: Clustering System Log Messages using Length of Words](https://arxiv.org/pdf/1611.03213.pdf), by Keiichi Shima. |
 | LogMine | [**CIKM'16**] [LogMine: Fast Pattern Recognition for Log Analytics](http://www.cs.unm.edu/~mueen/Papers/LogMine.pdf), by Hossein Hamooni, Biplob Debnath, Jianwu Xu, Hui Zhang, Geoff Jiang, Adbullah Mueen. [**NEC**] |
 | Spell | [**ICDM'16**] [Spell: Streaming Parsing of System Event Logs](https://www.cs.utah.edu/~lifeifei/papers/spell.pdf), by Min Du, Feifei Li.  |
-| Drain | [**ICWS'17**] [Drain: An Online Log Parsing Approach with Fixed Depth Tree](https://jiemingzhu.github.io/pub/pjhe_icws2017.pdf), by Pinjia He, Jieming Zhu, Zibin Zheng, and Michael R. Lyu.  |
+| Drain | [**ICWS'17**] [Drain: An Online Log Parsing Approach with Fixed Depth Tree](https://jiemingzhu.github.io/pub/pjhe_icws2017.pdf), by Pinjia He, Jieming Zhu, Zibin Zheng, and Michael R. Lyu. <br> [IBM-Drain3](https://github.com/IBM/Drain3): IBM's upgrade version of Drain in Python 3.6 with additional features. |
 | MoLFI | [**ICPC'18**] [A Search-based Approach for Accurate Identification of Log Message Formats](http://publications.uni.lu/bitstream/10993/35286/1/ICPC-2018.pdf), by Salma Messaoudi, Annibale Panichella, Domenico Bianculli, Lionel Briand, Raimondas Sasnauskas.  |
 
 ### Get started