106. The system of claim 105 wherein predicting the average precision comprises using a combination of temporal features comprising: (a) Kullback-Leibler divergence; (b) autocorrelation; (c) kurtosis; (d) Kleinberg's burst model.
105. The system of claim 104 wherein predicting the average precision comprises using a combination of temporal features comprising: (a) divergence; (b) autocorrelation; (c) statistics of the rank order; or (d) burst model.