13. A computer program product, comprising: a hardware storage device having stored therein computer usable program code for extracting information from a text input received by a natural language understanding system, the computer usable program code, which when executed by a computer hardware system, causes the computer hardware system to perform: parsing the text input to extract a plurality of features from the text input; identifying a plurality of pre-existing statistical models; processing, through the plurality of statistical models, each of the plurality of features to generate at least one value; combining, via a processor, one value for each of the plurality of features to create a complex information target; and outputting the complex information target, wherein the complex information target indicates a meaning for the text input.
18. The computer program product claim 13 , wherein the computer usable program code further causes the computer hardware system to perform: selecting an alternate value for at least one feature of the complex information target from a plurality of candidate values based upon a confidence score.