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noah_mendelsohn writes:

> UPA "Advantages": 
> a) makes it easier for database-mapping, programming language binding, 
> user-interface generation tools, etc. to statically determine what a 
> schema will and won't accept.  In certain respects, UPA restricts schemas=
 
> to things that are relatively easier to bind than what you get without 
> UPA.
> b) makes it easier to apply the deterministic validation algorithms, such=
 
> as those that were used in many XML 1.0 validators

c) It makes the worst-case time complexity of subsumption checking
   between two content models linear (as opposed to exponential).

ht
=2D -- 
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@i...
                   URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged sp=
am]
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From andrew.j.welch@g... Thu Oct 18 09:26:13 2007
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