A New Service Module Partition Approach for Product Service System Based on Fuzzy Graph and Dempster-Shafer Theory of Evidence

Table 3

Service activity class relevance.

Relevant degree	Class relevance description	Assignment
Very strong	The class-based interdependency of two service activities is very strong.	1
Strong	The class-based interdependency of two service activities is strong.	0.75
Medium	The class-based interdependency of two service activities is medium.	0.5
Weak	The class-based interdependency of two service activities is weak.	0.25
None	The class-based interdependency of two service activities is none.	0