11. A method according to claim 1 wherein the step of determining a corresponding set of equivalent words for a given one of the query words comprises the step of selecting words in the data base which are acceptable misspellings and acceptable inflections of the query word.
11. A method according to claim 1 wherein the step of determining a corresponding set of equivalent words for a given one of the query words comprises the step of selecting words in the data base which are acceptable misspellings and acceptable inflections of the query word. 12. A method according to claim 11 wherein the step of selecting words which are acceptable misspellings and acceptable inflections comprises the step of selecting words which have an exact match, a character transposition, a single character deletion, or a single character insertion between a stem portion of a query word and the beginning characters of a data base word and which also have acceptable suffixes.