<http://schema.org/description>
"Neo4j is a NoSQL graph database written in Java. This means that you work with nodes and relationships rather than fixed tables with a schema. Nodes can easily be mapped to Ruby object and relationships seen as references to other..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://geekmonkey.org/2012/09/using-neo4j-with-rails-3-2/>