12. The computer implemented method of claim 11 , wherein the one or more potential ambiguities comprises a plurality of matching attributes for the value.
13. The computer implemented method of claim 12 , wherein the value comprises a first number and wherein the plurality of matching attributes comprises a first attribute that matches the value and a second attribute that matches the value, wherein the first attribute comprises a first category associated with the first number, wherein the second attribute comprises a second category associated with the first number, and wherein a determination cannot be made by examining only the first number whether the first number should belong, as perceived by a user or a computer program, to the first category or to the second category.