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.
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. 13. The method of claim 10 further comprising: determining a category for the received query phrase using more than two query classification techniques; and classifying the received query phrase using the classification arbiter and based on both the classification determined by a majority of the query classification techniques and a determination of the classification based on a confidence in the classification of the received query phrase that resulted from using a query classification technique and the overall classification metric of the query classification technique.