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From "Jimmy Zhang" <>
Subject Re: Random thoughts on object model
Date Tue, 26 Jun 2007 22:13:23 GMT
when people think about hiearchies, they think DOM like structure in which a 
tree is made of little objects,
hence the "object model." but that is not always the best/most efficient 
case becasue object creation/destruction
can be costly... and they are not inherently persistent...
VTD-XML models tree in a different way that perserves teh hiearchical model 
using integers/offsets/lengths etc
that is fast to generate and inherently persistent... and it is not flat...
----- Original Message ----- 
From: "Grzegorz Kossakowski" <>
To: <>
Sent: Tuesday, June 26, 2007 2:19 PM
Subject: Re: Random thoughts on object model

> Jimmy Zhang pisze:
>> Look at VTD-XML, it has a XML model that hierarchical
>> but not made of Objects at alll, so technically it is not object model :)
> Even thought VTD-XML project looks interesting itself I hardly see how 
> this relates to the current discussion. Don't mind to explain us your 
> ideas a little?
> -- 
> Grzegorz Kossakowski

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