xDBAuth: Blockchain Based Cross Domain Authentication and Authorization Framework for Internet of Things. - Gauhar Ali; Naveed Ahmad 003; Yue Cao 002; Shahzad Khan 004; Haitham S. Cruickshank; Qazi Ejaz Ali; Azaz Ali (IEEE Access, 2020)

Improved spectral clustering using three-way decisions. - Shahzad Khan 004; Omar Khan; Nouman Azam; Ihsan Ullah (Inf. Sci., 2023)