1. Department of Computer Science and Engineering, Kno.e.sis Research Center, Wright State University, Dayton, OH, USA. E-mail: derek.doran@wright.edu
2. Department of Computer Science and Engineering, University of Connecticut, Storrs, CT, USA. E-mails: karl.severin@engr.uconn.edu, ssg@engr.uconn.edu
3. Industrial Software Systems, Data Analytics Group, ABB Corporate Research, Raleigh, NC, USA. E-mail: aldo.dagnino@us.abb.com