3.8 Algorithm development and pilot use case testing for search on the KG

[jeremyjyang]

Corresponds with https://github.com/nih-cfde/IDG/issues/48.
Progress on this issue should be logged via comments, including specific tasks, and related deliverables including code and data.

[vmetzger09]

I've created a local neo4j instance using the dump file shared via Chiltepin. Currently exploring the content of this KG and learning basic of cypher