1. One or more computer readable media having computer executable instructions embodied thereon for performing a method for facilitating document classification, the method comprising: receiving a plurality of documents, each document having text associated therewith, and each document being classified into one or more pre-defined classes; parsing the text associated with each document into one or more features, wherein at least one of the one or more features includes a plurality of terms; comparing the one or more features parsed from the text associated with each document with the one or more features parsed from the text associated with each other of the plurality of documents; identifying those features that occur at least a threshold number of times in the plurality of documents as vocabularies; and for each class into which a document is classified, store the vocabularies that occur in the text associated with the document and the number of times each vocabulary occurs in any of the documents classified in the class in association therewith.