Recall that for API-M, the meaning of a null parameter depends on the
type of request. If it's an add, it generally means, "no value". If it's a
modify, it means "no change".
I think what you're suggesting is that by passing "" as the objectLabel in
apim.modifyObject, one should be able to "un-s
By way of summary: when purging an object from a 3.0 repository, triples
that contain empty literals (i.e. "") are not deleted. For example, add
an object with an empty label, delete the object, the triple for the
label remains.
Originally, I treated this as a problem of failing to delete triples.