Multidimensional graph metrics with Neo4j and Cypher
The goal of this Gist is to demonstrate the graph metrics collected in our paper Towards the characterization of realistic models: evaluation of multidisciplinary graph metrics.
As an example, we use a simple railway network consisting of two Routes, three Segments, a Switch and three Sensors.
A possible graph representation of the example as a graph is this:
This short video demonstrates how the railway network is transformed to a graph.
The following query creates the graph (the query is automatically executed when loading the page).
In the following, we present the formal definitions of the metrics and evaluate them on the example graph using Cypher queries. For the details of the notation, see the paper.
The node activity binary vector for each node v is defined as:
Using this vector, the pairwise multiplexity metric is:
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