10. The method of claim 8 , wherein the selected text processing technique is a named entity feature extraction technique.
8. A method of extracting information from a text input having a first feature and a second feature using a natural language understanding system, comprising: determining a first value for the first feature using a selected text processing technique; selecting a statistical model from a plurality of statistical models associated with a second feature based upon the first value; determining a second value for the second feature using the selected statistical model; forming, using a processor, a complex information target by combining the first and second values; and outputting the complex information target.