Summary
This article will go through how to use the GEL extension, the parameters it uses (LEVEL and TYPE), and visualize the asset model, which allows a user to make an estimation of the model’s accuracy and a validation/consistency of the model graph.
Graph Expression Language (GEL) extension
GEL extension query

The asset store browser returns connected graph(s) by GEL selected nodes. There are two additional parameters: level and type, to limit requested node connections in the viewer and Prolog style predicates that gives additional content value for the query.