Complex Service Process Optimization Based on Service Touchpoint Association and the Design Structure Matrix

Table 6

Reachable set, predecessor set, and their intersection.

Node	Reachable set R (Vi)	Predecessor set A (Vi)	R (Vi) ∩ A (Vi)
b	b	b, , p, q,	b
	b,	, p, q,
p	b, , p	p, q,	p
q	b, , p, q	q,	q
∑r	b, , p, q,