1 Correction to: Data Sci. Eng. (2017) 2:178–186 https://doi.org/10.1007/s41019-017-0040-6

In the originally published article, the acknowledgment section is missing. Please find it as follows.

Acknowledgements

This work is supported by the Fundamental Research Funds for the Central Universities, and the Research Funds of Renmin University of China, the Outstanding Innovative Talents Cultivation Funded Programs 2016 of Renmin University of China. This work is partially supported by National Natural Science Foundation of China with Grant No. 61472428, ECNU-RUC-InfoSys Joint Data Science Lab and a gift from Tencent.