Ma, Kun http://orcid.org/0000-0002-0135-5423
Yang, Bo
Funding for this research was provided by:
Doctoral Fund of University of Jinan (XBS1237)
Shandong Provincial Natural Science Foundation (ZR2014FQ029)
Shandong Provincial Key R&D Program (2015GGX106007)
Teaching Research Project of University of Jinan (J1344)
Open Project Funding of Shandong Provincial Key Laboratory of Software Engineering (2015SE03)
National Key Technology R&D Program (2012BAF12B07)