This file is for users who want to fully explore the UML model. You need to have the Enterprise Architect program installed. Extracts from the UML can be found in Annex D of the GSIM Specification
Extracting from the EA file
It is possible to get an XMI extract from the EA file.The link below contains a transform that will help you to produce any kind of reporting on the model. It can also run consistency checks on the model.