16. The method of claim 9 , further comprising: receiving a search string; identifying a second logical representation corresponding to said search string; locating said second logical representation within a knowledge base; retrieving a second set of possible interpretations from said knowledge base; and augmenting said second search string with one or more search string augmentations corresponding to said second set of possible interpretations.
16. The method of claim 9 , further comprising: receiving a search string; identifying a second logical representation corresponding to said search string; locating said second logical representation within a knowledge base; retrieving a second set of possible interpretations from said knowledge base; and augmenting said second search string with one or more search string augmentations corresponding to said second set of possible interpretations. 26. The method of claim 16 , wherein said query is accumulated in the form of a persistent query model over time on the basis of a series of searches performed by one or more users.