Extract subgraph in neo4j

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As for graph matching, that has been superseded by http://docs.neo4j.org/chunked/snapshot/cypher-query-lang.html which would fit nicely, and supports fuzzy matchin with optional relationships.

For subgraph representation, I would use the Cypher output to maybe construct new Cypher statements for recreating the graph, much like a SQL export, something like

start n=node:node_auto_index(name="Neo") 
match n-[r:KNOWS*]-m 
return "create ({name:'"+m.name+"'});"

http://console.neo4j.org/r/pqf1rp for an example

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