18. The method of claim 11 , further comprising producing weights for members of the multiple different data sources, for different types of data, for different types of features, or for different features.
18. The method of claim 11 , further comprising producing weights for members of the multiple different data sources, for different types of data, for different types of features, or for different features. 20. The method of claim 18 , further comprising producing scores for the one or more features based, at least in part, on the weights and latent semantic indexing.