Whether you are doing customer analytics, fraud detection, or risk assessment, you need connected data. While linking a few data points or data sources is often simple, creating connections with significant amounts of heterogeneous data requires a radically new approach. Enterprise architects should read this report to learn how the new and emerging graph database technology offers the ability to link pieces of data easily to create more meaningful and actionable insights. This report was originally published as a market overview in 2015; we've updated it to reflect new vendors and a broader set of emerging use cases.