9. The method of claim 1 further comprising classifying the received query phrase using at least one of a manual query classification technique and a supervised machine learning query classification technique.
9. The method of claim 1 further comprising classifying the received query phrase using at least one of a manual query classification technique and a supervised machine learning query classification technique. 10. The method of claim 9 further comprising: comparing the results of the query classification technique with the associated category; and conditioned on the comparison indicating inconsistent results: determining a category for the received query phrase using a classification arbiter; and associating the category determined by the classification arbiter with the received query phrase.