1. A method comprising: receiving an input schema having input fields; determining a meaning of said input schema and a relationship between said input fields; creating a set theory expression representing said meaning; and, creating data structures representing semantics of said input schema.
1. A method comprising: receiving an input schema having input fields; determining a meaning of said input schema and a relationship between said input fields; creating a set theory expression representing said meaning; and, creating data structures representing semantics of said input schema. 2. A method according to claim 1 , further comprising: creating an input schema representing input fields and input values so that a user can submit a completed input schema.