2. The method of claim 1 wherein determining comprises classifying the search query based on the temporal profile of the search query.
2. The method of claim 1 wherein determining comprises classifying the search query based on the temporal profile of the search query. 4. The method of claim 2 wherein determining comprises using a combination of features comprising: (a) Kullback-Leibler divergence; (b) autocorrelation; (c) kurtosis; (d) Kleinberg's burst model.