[topicmapmail] Reification of topic map constructs in XTM 1.0 vs. XTM 2.0

[Lars Heuer]

[...]
> But I'd remove the subject identifier iff it was just created to reify
> a Topic Maps construct. Maybe it is difficult to decide if you want to
> translate the XTM 1.0 into 2.0 automatically. If you want to keep it,
> I'd keep the item identifier of the association ("will-wrote-hamlet"),
> too (itemIdentity in XTM 2.0).

... or not. :) I am not sure if it makes sense to keep the item
identifier. Maybe it is confusing (but allowed) to have a subject
identifier on a topic which is equal to an item identifier of another
Topic Maps construct. Maybe the dropping / keeping should be
configurable.

IMO the cleanest solution would be to drop both, iff they exist for
reification purposes only.

Best regards,
Lars
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