[topic_maps] Re: [topicmapmail] Multiple members in XTMassociations

[Lars Marius Garshol]

* Jan Algermissen
| 
| I still think that a certain set of kinds of such fragments exists
| that commonly appear when interacting with a topic map. One example
| would be requesting a certain part of a relation hierarchy, such as
| 'superclass-subclass staring at topic X and going down 3 levels'.
| 
| What do others think?
| 
| Actually, I think that such fragment kinds are implicitly part of
| certain collections of semantics. While the SAM is one such
| collection (defining stuff like names, class-instance, occrrences
| etc.) there are others that are also publicly defined, such as
| Dublin Core semantics. When Dublin Core semantics are used within a
| topic map, fragments such as an 'author index' or 'publisher index'
| are likely to be useful.

To me this sounds like the sort of thing query languages were created
to do. I'm not sure that contradicts what you are saying, but to me
that would seem like the sensible way to compute such things.

-- 
Lars Marius Garshol, Ontopian         <URL: http://www.ontopia.net >
GSM: +47 98 21 55 50                  <URL: http://www.garshol.priv.no >