“…The 8-Level hierarchal structure is shown again in Figure 10. The number of levels and name of each level is same in both the 8-Level hierarchal structure shown in the [1] and Figure 10. The number of levels is 8 and their names from top are as Y for Year, S for State, U for University, I for Institute, D for Department, C for Category, P for Position and ID for Unique id, respectively.…”