If you are not familiar with Visio, it's used for creating diagrams such as flow charts and network diagrams. What I didn't realize is that you can actually create Visio diagrams from within Excel.

This paper obtains several theorems giving necessary and sufficient conditions for a directed graph to be a network graph, and applies the results to solving some problems of smoothing traffic flow.

Roambi Flow uses MeLLmo’s on-premises Roambi ES server (written in Java and requiring either a Tomcat or a Jboss application server).