A method and system for variable air cooling for data centers. In the stowed configuration the shelter encloses a negligible volume. ; the ring B is a nitrogen-containing non-aromatic heterocyclic ring etc. The application meta-objects may be modified by the end user without underlying development of the software code and may operate with multiple data and business logic stores. The method also includes merging the first mapping and the second mapping to create a merged data model, and analyzing the merged data model to generate reports.