1. A method for data correlation comprising the steps of: providing a first correlation between a first information artifact collection and a second information artifact collection; extracting at least a first feature from a second information artifact in said first information artifact collection and at least a first feature from a second information artifact in said second information artifact collection; selecting at least said first extracted features from said first and second information artifact collections; creating a correlation index between said selected features; extracting at least a first feature from a third information artifact in said first information artifact collection; applying said correlation index to said first feature extracted from said third information artifact; and computing a correlation score between said first feature extracted from said third information artifact and at least a first feature from one or more information artifacts in said second information artifact collection.