Modelling Questions

["Barker, Sean (UK)" <sean.barker@baesystems.com>]

1) Is there a published source for the semantics of the Capabilities XML? particularly the include/exclude?

2) Concern has been expressed over the level of normalization of the EXPRESS model, and in particular, the degree of file bloat likely to be caused by the normalization, and the increase in application processing time to resolve references. For example, classification requires a classification assignment, a classification, and external library, all with entity cross references, in order to define the role of a relation. Any comments?

3)Re Capability 49, location of product. This assigns a location directly to a location with start and end dates.
	- at minimum, classification needs to distinguish planned v. actual
	- for a mobile asset, such as a ship or aircraft, it would be better if the location was associated to an activity, and the activity to the asset. This would allow the application of multiple planned activities against the asset (each with a different location), allowing contingency planning. This approach is needed for the definition of a support opportunity, and it would be confusing if there were two different ways of doing the same thing.

Sean Barker
ATC Filton
0117 302 8184

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