Patent Document ID: 8005847
Application ID: 11584218

Base Claim:
1. A method comprising: using a computing system including one or more machines, to perform one or more of the following acts, accessing a main file name of a main file; accessing a relationship definition file having at least one relationship definition associated with a package of data items, the at least one relationship definition identifying at least one class of relationships between data items included in the package of data items, the at least one relationship definition associating the main file with information stored in a related file, the at least one relationship definition including a template string; and accessing the related file by adding a portion of the template string to a portion of the main file name to generate a related file name, wherein the information stored in the related file is related to information contained in the main file, and wherein the information stored in the related file is for use in rendering the main file, by an electronic document rendering application, without altering the information contained in the main file.

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Claim 13:
13. The method of claim 1 , wherein the main file includes a digital signature and the at least one relationship definition associates the main file with a second file created subsequent to application of the digital signature to the main file and without altering the main file.