1. A method for indexing data, the method comprising: receiving input from a user defining a classification and an analytic for the classification; determining a definition of relevance parameters that characterize the classification; determining relevant data from unstructured and structured data based on the definition of relevance parameters, the relevant data being data that is determined to be relevant to the classification defined by the user; analyzing the relevant data from unstructured data and structured data based on the relevance parameters to determine terms in the relevant data; and generating an index of the terms from the relevant data based on the analyzing of the relevant data; receiving a query from an analytics tool, the query specifying the classification and an analytics measure, wherein the index useable by an analytics tool to provide results for the query using the analytics measure as applied to the unstructured data and structured data in the relevant data indexed in the classification.