[Fiware-ngsi] hierarchical entities

[Bisztray, Denes (NSN - HU/Budapest)]

Dear all,

Let me raise a problem with NGSI: it seems it does not support containment. That is, we can have entities building_1, room_1 and room_2 with their own attributes, but no relationship between them. 
Is anyone aware of some solution for expressing that building_1 contains room_1 and room_2, apparently? (apart from adding metadata to bulding_1 such as childentity=room_1)
 
Best,
Dénes
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