Thanks for checking this out!
The slides for my talk are available at https://www.slideshare.net/ReginaImhoff/elixir-neo4j/ and the video for my talk is available at https://youtu.be/fWQy7aS_gd8
The logic that went into this API will soon be available on https://github.com/StabbyMcDuck/neo4j_ecto