Resource Unconstrained and Constrained Project Scheduling Problems and Practices in a Multiproject Environment

Table 9

Descriptive information on the various aspects of the multiproject environment.

Aspects of the multiproject environment		Counts ()
1. Network modeling approach	(a) Single-project approach	16
	(b) Multiproject approach	74
2. Activity execution modes	(a) Single mode	16
	(b) Multimode	71
	(c) Both	3
3. Decision-making models	(a) Centralized	40
	(b) Decentralized	28
	(c) Both	22
4. Solution methods	(a) Exact	14
	(b) Heuristics	54
	(c) Metaheuristics	18
	(d) Not aware	4