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Subject: RE: [xtm-wg] Syntax is a bitch :-(
Indeed you can assign namespaces in a purely pragmatic bottom up way.
Assigning a new level in the hierarchy when two sources recognised as being
different turn out to have the same name.
Regards
Matthew
============================================
Matthew West
Operations & Asset Management
Shell Services International
H3229, Shell Centre, London, SE1 7NA, UK.
Tel: +44 207 934 4490 Fax: 7929
Mobile: +44 7796 336538
E-mail: Matthew.R.West@is.shell.com
http://www.shellservices.com/
============================================
> -----Original Message-----
> From: Wrightson, Ann [mailto:Ann.Wrightson@sweetandmaxwell.co.uk]
> Sent: 09 October 2000 09:22
> To: 'xtm-wg@egroups.com'
> Subject: RE: [xtm-wg] Syntax is a bitch :-(
>
>
> I agree - but it needs to be as simple as possible; I suggest
> that we aim to
> enable any processor to establish local uniqueness amongst
> the resources and
> maps it "sees", rather than trying to be universally-unique
> from a "god-s
> eye view".
>
> Ann W.
>
> > -----Original Message-----
> > From: West, Matthew MR SSI-GREA-UK
> > [mailto:matthew.r.west@is.shell.com]
> > Sent: 09 October 2000 09:04
> > To: xtm-wg@egroups.com
> > Subject: RE: [xtm-wg] Syntax is a bitch :-(
> >
> >
> > Dear Colleagues,
> >
> > The difficulties in reconcilling ID's from different sources
> > is pointing to
> > a need for namespaces, so that IDs generated in different managed
> > environments do nothave to be unique by magic.
> >
> > Regards
> > Matthew
> > ============================================
> > Matthew West
> > Operations & Asset Management
> > Shell Services International
> > H3229, Shell Centre, London, SE1 7NA, UK.
> > Tel: +44 207 934 4490 Fax: 7929
> > Mobile: +44 7796 336538
> > E-mail: Matthew.R.West@is.shell.com
> > http://www.shellservices.com/
> > ============================================
> >
> > > -----Original Message-----
> > > From: G. Ken Holman [mailto:gkholman@cranesoftwrights.com]
> > > Sent: 09 October 2000 09:11
> > > To: xtm-wg@egroups.com
> > > Subject: RE: [xtm-wg] Syntax is a bitch :-(
> > >
> > >
> > > At 00/10/09 06:25 +0100, Dave Pawson wrote:
> > > >I could autogenerate, but the id's produced for
> > > >any update could overlap as new items are introduced
> > > >in XSLT. With the two products I'm using, its highly likely.
> > >
> > > I'm using XSLT to merge two XTM instances and to avoid the
> > > problem you
> > > noted above I find I have to prefix every ID/IDREF attribute
> > > input to the
> > > merge with something to make them unique in their respective
> > > contexts. I
> > > then run them through a second step that replaces the
> > > ID/IDREF values with
> > > the generate-id() of each ID'ed element in order to throw
> > > away the archaic
> > > prefix.
> > >
> > > The prefix I'm using is the generate-id values of the
> > > occurrence elements
> > > (from the topic map that controls the merge) that refer to
> > > each of the
> > > filenames, thus guaranteeing uniqueness.
> > >
> > > Awkward and messy, but in the experimentation I've done I've
> > > come to the
> > > conclusion that I cannot rely on humane values of ID-typed
> > > attributes ...
> > > they may be authored in the original instances, but I cannot
> > > rely on them
> > > staying around because they could conflict.
> > >
> > > I'll be pre-publishing on my web site next month the
> results of my
> > > "Experiments using XSLT with Topic Maps" paper for the
> > > XML-2000 conference
> > > ... I'll try to remember to make note of that on this list
> > if you are
> > > interested.
> > >
> > > I hope this helps.
> > >
> > > ..................... Ken
> > >
> > > --
> > > G. Ken Holman
> > mailto:gkholman@CraneSoftwrights.com
> > > Crane Softwrights Ltd.
> > http://www.CraneSoftwrights.com/x/
> > > Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999
> > (Fax:-0995)
> > > Web site: XSL/XML/DSSSL/SGML services, training, libraries,
> > products.
> > > Book: Practical Transformation Using XSLT and XPath
> > ISBN1-894049-05-5
> > > Article: What is XSLT?
> > http://www.xml.com/pub/2000/08/holman
> > > Next public instructor-led training:
> > 2000-10-03/05,2000-10-09/10,
> > > -
> > 2000-10-19,2000-11-06/07,2000-11-12,2000-12-03/04,2001-01-27
> > >
> > >
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