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   RE: XML and LDAP: Common APIs?

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  • From: "Bullard, Claude L (Len)" <clbullar@ingr.com>
  • To: Jeff Turner <jeff@socialchange.net.au>, xml-dev@lists.xml.org
  • Date: Thu, 24 Aug 2000 08:16:01 -0500

Yes.  That is what the Grove people were going on about.  
The applicability of it has shown up in the VRML work 
where after a year of trying to combine two node based 
tree languages under a common object model, 
a proposal from Sony is to now split 
the two encodings (XML and VRML97) into separate 
languages.  The issue is the overhead of the XML 
metalanguage vs the efficiency of APIs and object 
models designed tightly for the application language. 
Groves and grove plans would have allowed both languages 
to share common property sets while having different 
object models.

The problem will now be that the VRML-only language 
will move quickly and that the XML language will suffer 
the implementation overhead of the metalanguage and the 
organizational overhead of trying to coordinate implementations 
of the multiple evolving specifications will impact 
the schedules and resources.

Difficult problem.  Not abstract or philosophical.  
Absolutely money.  

Len Bullard
Intergraph Public Safety

Ekam sat.h, Vipraah bahudhaa vadanti.
Daamyata. Datta. Dayadhvam.h

-----Original Message-----
From: Jeff Turner [mailto:jeff@socialchange.net.au]

I was just thinking how similar the XML and LDAP data models are. LDAP
gives you a tree, where each node can contain data -and- can act as a
namespace for other nodes. This corresponds pretty closely to XML (or
maybe SML).

Has anyone explored the possibility of crossover APIs for accessing all
these 'tree-like' data structures in a standardised way? 


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