[sc34wg3] Removing added scope from <mergeMap>

Geir Ove Grønmo sc34wg3@isotopicmaps.org
Mon, 16 Jan 2006 18:00:53 +0100


On 1/16/06, Kal Ahmed <kal@techquila.com> wrote:
> Which goes back to my point that while mergeMap does not fix everything, =
it
> does address a subset of the issue - not only that, but it does so in a w=
ay
> that is both implemented and in use in production systems right now.
>
> This is getting circular - I think we have shown the points on both side =
of
> the debate, so to summarise:
>
> Added themes on a mergeMap declaration has the advantages of allowing you=
 to
> identify the provenance of individual topic characteristic assignments. I=
ts
> major weakness is in subject identity assignment (and resulting merge
> behaviour). Source locators provide some of the functionality of an
> addedThemes directive but are restricted in that (a) they only identify t=
he
> topic map source and cannot be used to identify (for example) the source
> organization and (b) they would only be generated on topic characteristic
> assignments that have an ID in the merged topic map - so you are reliant =
on
> the source providing those IDs. Furthermore, two users (Murray and Jim) h=
ave
> both said that they use added themes on a mergeMap.

Yes, that sums it up pretty well. :)

--
Geir O.