How to reconstruct a graph

If I give you a set of nodes, plus a way to find the distance between two nodes, how can you find all connections between these nodes as efficiently as possible?
Modelling 5G Networks

Being connected to the internet is second nature to us. But what happens if the network that connects us breaks down? To prevent such a catastrophe, we need to understand how the network behaves. Find out how we can model and simulate a 5G network!