fix inconsistencies in ontology/shapes

[VladimirAlexiev]

@phaasenase @davidlamprecht
While working on property descriptions, I found numerous inconsistencies between the published ontology and real data:
https://docs.google.com/spreadsheets/d/1Cy4OWsBc2NqjKPJZXKkKjcRWO_S14fbknwwRMtsP1cU/edit?gid=1925130381#gid=1925130381 : see color red and column "TODO"

This diminishes the value of SOA, so I think it should be given high priority