Mining the Key Nodes from Software Network Based on Fault Accumulation and Propagation

Table 2

The rank of function nodes by SF for Cflow versions.

	Rank/value
Node	Cflow-1.0	Cflow-1.1	Cflow-1.2	Cflow-1.3	Cflow-1.4
nexttoken	1/14.878	1/15.642	1/15.642	1/13.266	1/14.610
yylex	2/7.282	2/7.728	2/7.728	3/6.341	3/7.037
get_token	3/7.255	3/7.670	3/7.670	2/6.382	2/7.063
yyparse	4/2.370	4/2.492	4/2.530	4/2.656	4/2.514
parse_declaration	5/2.175	5/2.308	5/2.355	5/2.547	5/2.349
parse_dcl	6/1.949	7/2.046	6/2.188	6/2.455	6/2.241
expression	7/1.890	6/2.069	7/2.069	7/1.831	7/1.775
yyrestart	8/1.479	9/1.479	9/1.479	10/1.479	8/1.663
func_body	9/1.377	8/1.510	8/1.510	9/1.513	11/1.381
append_to_list	10/1.371	10/1.347	10/1.347	- -	- -