19. A data converter for organizing and representing in a computer memory a document corpus containing an ordered plurality of documents, for use by a data mining applications program requiring occurrence-of-terms data, said representation to be based on terms in a dictionary developed for said document corpus and wherein each said term in said dictionary has associated therewith a corresponding unique integer, said data converter comprising: means for developing a first uninterrupted listing of said unique integers to correspond to the occurrence of dictionary terms in the document corpus and; and means for developing a second uninterrupted listing for said entire document corpus containing in sequence the location of each corresponding document in said first uninterrupted listing, wherein said first listing and said second listing are provided as input data for said data mining applications program.
21. The data converter of claim 19 , further comprising: means for rearranging said unique integers so that any identical integers for each said document in said document corpus are adjacent.