Propagation of Uncertain Events in Multilevel Handlings at Container Terminals from the Perspective of Hypernetwork

Table 1

List of uncertainty events and job nodes.

Uncertain events and their derivative events ()	Affected job nodes ()
Ship arrival delay	Berth , QC
The quantity of allocation QCs	AGV
Handling capacity	AGV , YC , yard allocation
Changes in freight demand	YC , truck , gate congestion
Truck arrival delay	AGV , YC , yard allocation , gate congestion
Equipment failure	QC , AGV , YC , truck
Weather and other factors	Berth , truck