Funding for this research was provided by:
Studies on Active Flow Association Technique based on Package Program Flow Watermarking, supported by the National Nature and Science Fund (61402526)
Text and Data Mining valid from 2018-06-14
Received: 26 February 2018
Accepted: 30 May 2018
First Online: 14 June 2018
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.