Funding for this research was provided by:
Division of Computer and Network Systems (1117121)
Division of Electrical, Communications and Cyber Systems (1462341)
Ministry of National Education and Religious Affairs (MIS-379418-DISCO)
Air Force Office of Scientific Research (FA9550-18-1-0121)
Office of Advanced Cyberinfrastructure (1808582)
Text and Data Mining valid from 2019-06-25
Received: 19 September 2018
Accepted: 31 May 2019
First Online: 25 June 2019
Ethics approval and consent to participate
: Not applicable. The manuscript does report any studies involving human participants, human data, or human tissue.
: Not applicable. The manuscript does not contain any individual person’s data.
: The authors declare that they have no competing interests.