Correction to: Applied Intelligence

https://doi.org/10.1007/s10489-020-01953-4

The original version of this article contained 2 mistakes. (2) The affiliation of the second author “Yongli Wang” is “School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing, China”, rather than “School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China”. (2) The affiliation of the third author “Yanchao Li” is “School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China”, rather than “School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing, China”.

The original version has been corrected.