1. A method for use in converting semantic information from a source form to a target form, comprising the steps of: obtaining an input string for conversion from said source form to said target form; first identifying a source term of said string for conversion; second identifying a subject matter context of said string; based on said subject matter context, establishing a set of at least two candidate conversion terms for said source term; performing an analysis on said candidate conversion terms to select said candidate conversion terms for use in converting said source term; and using said selected one of said conversion terms to convert said source term from said source form to said target form.