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RE: Managing Innovation

• To: Murali Mani <mani@C...>
• Subject: RE: Managing Innovation
• From: Rick Marshall <rjm@z...>
• Date: Fri, 03 Oct 2003 08:12:39 +1000
• Cc: David Megginson <dmeggin@a...>, xml-dev@l...
• In-reply-to: <Pine.SOL.4.33.0310021459500.12866-100000@p...>
• Organization: Zenucom Pty Limited
• References: <Pine.SOL.4.33.0310021459500.12866-100000@p...>
• Reply-to: rjm@z...

if you want some idea of how bad it could get - try asking climate
researchers about dataset sizes, or astronomers, or people building
particle accelerators, etc

tim bray probably has a lot of experience in this already, but i suspect
there are applications out there that will already test any limits you
try to impose

so perhaps it's very good that we have dom and streaming models so that
we can pick and choose for our needs

rick

On Fri, 2003-10-03 at 08:03, Murali Mani wrote:
> That is true.. if we consider streaming data, which is something "lots of
> DB researchers" are working on w.r.to sensors, they are all potentially
> infinite streams..
> 
> Let us try do define something which almost everyone will agree with:
> 
> Detect malicious schemas. Is a schema such that it will allow only
> documents of infinite depth? Do you want to identify such schemas, and
> disallow them??
> 
> There can be many algorithms for the same. I have a very nice algorithm
> for the above which will apply to almost all schema languages, which I can
> share with people who are interested.
> 
> best regards,
> murali.
> 
> On Thu, 2 Oct 2003, David Megginson wrote:
> 
> > Murali Mani writes:
> >
> >  > I also saw mentioning limiting depth of documents, do you believe
> >  > limiting width also?? You can have
> >  >
> >  > <!ELEMENT a b*>
> >  >
> >  > which can be potentially infinite..
> >
> > I cannot think of a good, general argument for limiting document
> > length strong enough to overcome objections.  It is too easy to
> > imagine applications for XML documents of unbounded length.
> >
> >
> > All the best,
> >
> >
> > David
> >
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  • RE: Managing Innovation
    • From: Murali Mani <mani@C...>

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