1. Department of Computer Science and Software Engineering, Miami University, Oxford, OH, USA
2. Department of Data Analytics, The George Washington University, Washington, DC, USA
3. Department of Computer Science, The George Washington University, Washington, DC, USA
4. Departments of Computer Science, Biostatistics and Bioinformatics, and Electrical and Computer Engineering, Duke University, Durham, NC, USA
5. Big Data Institute, Qilu University of Technology, Jinan, Shandong, China