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

[Lars Heuer]

Hi Alexander,

> How would the following piece of XTM 1.0 from [1]  translate into XTM
> 2.0? More precisely, how the association "will-wrote-hamlet" will be
> reified in XTM 2.0?

[...]
> My best guess, after reading the XTM 2.0 specification, especially the
> section where it speaks about the reifier is the following:

Your guess is right.

>   <topic id="will-wrote-hamlet-topic">
>     <subjectIdentifier href="#will-wrote-hamlet"/>
>     <name>
>       <value>Shakespeare's authorship of Hamlet</value>
>     </name>
>    </topic>

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).

Best regards,
Lars
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