subject is IRI? about rml-core HOT 5 CLOSED

I think the "often" in

The subjects often are IRIs that are generated from the primary key column(s) of the table.

refers to both IRIs and primary key columns.

So the subjects are often IRIs and are often generated from the primary key column(s) of the table.

But a subject can definitely also be a blank node, or in RDF star world a triple.
That would be it, unless we want to foray into generalized RDF...

from rml-core.

I think we also have a proposal here right?

• Update the R2RML description about subject generation beyond IRIs (although I would be more in favor to refer the RDF spec directly)
• Remove the fact that subjects are generated from a PK column. The sentence could be generalized

from rml-core.

this is related to #30

from rml-core.

I think this is resolved on its own?

from rml-core.

I think this can be closed

from rml-core.