Hang Physics off SNAPProtocol and give AppliedPhysics to SNAPExperiment (mirroring modelling of parameter)
Removed most usages of not-yet existing ontologies. Focus on Astro-Journal subject keywords
Following suggestions by Franck LePetit and Laurent Bourges, added PropertyGroup and ParameterGroup, especially useful for simulators with many properties and/or parameters.
2008-02-13:
The reference from Characterisation to Property is renamed from 'property' to 'axis'.