bu-core2d:geometry2D
http://inspire.ec.europa.eu/ont/bu-core2d#geometry2D
skos:definition
http://www.w3.org/2004/02/skos/core#definition
2D or 2.5D geometric representation of the building.
@en
graph:default
https://triplydb.com/inspire/bu-core2d/graphs/default