full URIs missing for the iiif WA extensions

[eroux]

I recently discovered the WA/OA extensions and wanted to use them, but I can't figure out what the full URIs for the properties would be?

For instance the document describes a "rotation" key in the JSON-LD, but what would be the full URI for it? rotation is not in the prezi v2 context. It wouldn't make a lot of sense to have the extensions to WA depend on the IIIF version anyways...

[eroux]

sorry, I missed https://iiif.io/api/annex/openannotation/context.json , but I think it should be refererred to in the extensions documentation

[LvanWissen]

Can that context json-ld be updated so that annotations featuring the PointSelector including properties x, y, and t or the other two Content Selectors are modeled as valid RDF?

Edit: I see it's already mentioned in: https://github.com/IIIF/api/issues/2091