Patent ID: 7844638

Claim:
A computer-readable storage medium storing computer program instructions, which when executed on a programmable processor perform a method to structure a data stream, wherein the data stream comprises a data stream syntax and data stream subdomains which are referenced and classified, the method comprising: referencing at least some of the data stream subdomains; classifying the data stream subdomains via a respective classification into at least one class of a classification; and structuring the data stream, wherein the data stream classification contains at least one class of the data stream that is independent of the structure of the data stream and is not related to the data stream in terms of content; wherein the referencing of at least one of the data stream subdomains includes specifying that the data stream subdomain joins onto an end of a preceding data stream subdomain; wherein the referencing and classifying are at least part of a data stream description; and wherein a meaning of the classification does not emerge from the data stream description.