3. The method of claim 1 , further comprising executing the following operation in the data processing device: inserting the constructs into the pre-established DTD to create the annotated DTD.
3. The method of claim 1 , further comprising executing the following operation in the data processing device: inserting the constructs into the pre-established DTD to create the annotated DTD. 6. The method of claim 3 , further comprising executing the following operation in the data processing device: associating values and/or formulas with the pre-established DTD.