Github user conker84 commented on the issue: https://github.com/apache/zeppelin/pull/1582 If i can do anything to simplify the review process, for me there is no problem to split this PR into more activities; just one thing, for me the (c) and (b) are one piece becouse the (c) expose the API used by (b) to visualize the network. I can make the (a) after we close (c)&(b) becouse it uses the new [GraphResult class](https://github.com/conker84/zeppelin/blob/master/neo4j/src/main/java/org/apache/zeppelin/graph/neo4j/Neo4jCypherInterpreter.java#L270). Let me know how do you want proceed.
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