Provide Descriptions for following classes:

[joergwa]

• [x]  http://material-digital.de/pmdco/BaseMaterial
• [x] http://material-digital.de/pmdco/CalibrationDocument
• [x] http://material-digital.de/pmdco/ChangeOfTransverseDimension
• [x] http://material-digital.de/pmdco/ComputingNode
• [x] http://material-digital.de/pmdco/ElementalComposition
• [x] http://material-digital.de/pmdco/PlanningProcess

[henkbirkholz]

http://material-digital.de/pmdco/PlanningProcess

Moved to next update. Not included for know (despite PROV-O plan)

[MarkusSchilling]

All classes mentioned in this issue were defined.

Note: http://material-digital.de/pmdco/ElementalComposition was replaced by 'chemical object', 'chemical composition' and 'chemical entity' (CHEBI-related).