13. A tangible computer program product comprising a computer readable storage medium having control logic stored therein for causing a computer to process text, the control logic comprising: computer readable first program code that causes the computer to generate an abstract mathematical vector space based on a collection of documents, wherein respective documents in the collection of documents have a representation in the abstract mathematical vector space and respective terms contained in the collection of documents have a representation in the abstract mathematical vector space; and computer readable second program code that causes the computer to perturb the abstract mathematical vector space to produce a perturbed abstract mathematical vector space that is stored in an electronic format accessible to a user, wherein perturbing the abstract mathematical vector space comprises at least one of (i) modifying the representation of a document with a newly computed representation for that document, and (ii) modifying the representation of a term with a newly computed representation for that term.
14. The computer program product of claim 13 , wherein the abstract mathematical vector space comprises a Latent Semantic Indexing (LSI) space.