18. A method for creating data table entries representing semantics of input fields and field values, the method comprising: receiving an input schema including input fields and field values; producing at least one set theory expression representing said semantics of said input schema; and, transforming said at least one set theory expression into forms that only use AND, OR, and nesting.
23. A method according to claim 18 , wherein said input fields are represented as having a partial order relationship.