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Re: Distributed DOM implementations

• From: Pavel Velikhov <pvelikho@c...>
• To: Dave Winer <dave@u...>
• Date: Wed, 27 Jan 1999 16:20:11 -0800

Dave Winer wrote:
> 
> That's a very interesting idea! If we (UserLand) did this, it would not be
> free, but it could be very high level and quite powerful. Flip a switch and
> all of a sudden your code is working against data on the server. Can you
> say what kind of application you have in mind for this? Dave

 I have build a prototype of an XML database system, but I have found
out that
the XML parser is the chief performance bottleneck (DOM is my "storage
model").
I.e. to query a document I have to parse all of it, even though the
query may
concern only a tiny fragment of it. Instead, if the document is
pre-parsed and
stored in some efficient representation (either main memory tree or some
hierarchial
representation on disk) and is available via DOM commands, I would save
a lot of
time.

> At 02:57 PM 1/27/99 -0800, you wrote:
> >Hi,
> >
> >       I would like to find out if there are any known distributed
> >implementations of DOM (and free). What I mean by this is an ability to
> >access remote XML documents through a DOM interface but not by
> >downloading and parsing them locally. Instead I need a parser or
> >whatever (e.g. OODB wrapper) on the other end to give me result of the
> >DOM commands only.
> >
> >Thank you,
> >Pavel Velikhov
> >UCSD Database Lab
> >pvelikho@c...

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• Follow-Ups:
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• References:
  • infoworld article on xml
    • From: "Mark D. Anderson" <mda@d...>
  • Re: Distributed DOM implementations
    • From: Dave Winer <dave@u...>

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