2. The method of claim 1 wherein steps (a) and (b) are conducted independently of each other.
2. The method of claim 1 wherein steps (a) and (b) are conducted independently of each other. 3. The method of claim 2 wherein said step of expanding said query keyword meanings further comprises paraphrasing said query by parsing the syntactic structure of said query and transforming it into additional semantically equivalent queries using the original query keyword meanings or the expanded query keyword meanings.