Re: [topicmaps-comment] Re: RDF/Topic Maps: late/lazy reificationvs.early/preemptive reification

["Thomas B. Passin" <tpassin@home.com>]

Yes, that's how I saw it too.

Cheers,

Tom P.

[Murray Altheim]

> Piotr Kaminski wrote:
> >
> > [Thomas B. Passin]
> > > 2) We make each of the member elements of the club association the
> > subject
> > > of a topic (thus reifying the member).  Now we can assert (using an
> > > association) who the sponsor of that person for that club is, and we
do
> > not
> > > have to dismember or change anything we already have in the map,
unless
> > it
> > > is to make sure that we have one member arc per person, nor do we have
> > to
> > > change the meaning of the original "cluc" association.
> >
> > Could you expand on this, perhaps giving an example in XTM format?  It
> > sounds like exactly what's needed, though it also resembles manual
> > reification.
>
> Going into hopefully only enough detail to point out some direction, you'd
> add an ID on each <member> element and use that as the referent in a topic
> that reifies the member:
>
>   <topicMap>
>     <topic id="member-of-club"/>
>     <topic id="person1"/>
>     <topic id="person2"/>
>
>     <association>
>       <instanceOf xlink:href="#member-of-club"/>
>       <member id="m1">
>         <topicRef xlink:href="#person1"/>
>       </member>
>       <member id="m2">
>         <topicRef xlink:href="#person2"/>
>       </member>
>       ...
>     </association>
>
>     <topic id="reif-m1">
>       <subjectIdentity>
>         <subjectIndicatorRef xlink:href="#m1"/>
>       </subjectIdentity>
>       ...
>     </topic>
>
>     <topic id="reif-m2">
>       <subjectIdentity>
>         <subjectIndicatorRef xlink:href="#m2"/>
>       </subjectIdentity>
>       ...
>     </topic>
>   </topicMap>
>
> That is, if I understand the example correctly...
>