Is there a benefit to understanding how your users, suppliers or employees relate to and influence one another? It’s hard to imagine that there is a business that couldn’t benefit from more detailed insight and analysis, let alone prediction, of its significant relationships.

If you have ever drawn dots on a whiteboard and then connected them, you can appreciate that thinking in terms of nodes and links naturally echoes many real-world scenarios. Many of today’s hottest data analysis opportunities for optimization or identifying fraud are represented as a linked web.

The most popular developer-friendly open source graph database today is likely Neo4J. Neo4j can run local (embedded in the app) as a Java library, but it can also be set up as a standalone server.

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