Fig 1.
Single-layer network and multi-layer network.
Fig 2.
The collaboration network of 35 organizations.
Table 1.
Examples of organizations in each infrastructure system.
Fig 3.
A multilayer network of five interdependent infrastructure systems.
Table 2.
Converted daily coordination probabilities between organizations.
Fig 4.
Histograms of generated samples at each frequency level.
Fig 5.
Coordination increase simulation to calculate required coordination probability.
Fig 6.
The multilayer collaboration network of 35 organizations.
Table 3.
Nodes and links in each layer of the mapped meta-network.
Fig 7.
Network efficiency and coefficient of variation with different daily coordination probabilites.
Table 4.
Network efficiency under intra-layer link perturbation.
Table 5.
Maximum network efficiency within IISs.
Table 6.
Network efficiency under inter-layer link perturbation.
Table 7.
Maximum network efficiency across IISs.
Table 8.
Required coordination probability within infrastructure systems.
Table 9.
Required coordination probability across infrastructure systems.
Fig 8.
Required coordination probability and maximum network efficiency.