To Convert owl ontology classes and instance data into Neo4J nodes and properties into relationships. Most of the cues are taken from the following blog. I have just put together the code to quickly get the ontology loaded into Neo db. I have also added the utilization of domain and range information into creation of relationships into the ontology schema itself.
http://neo4j.com/blog/and-now-for-something-completely-different-using-owl-with-neo4j/