Re: Considerations on RDF presentation

From: David R. Karger <>
Date: Tue, 22 Mar 2005 09:44:14 -0500

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   Date: Mon, 21 Mar 2005 13:36:25 -0500
   From: Stefano Mazzocchi <>
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   Stefano Mazzocchi wrote:

>> Here's another stray thought. It seems that our rendering is
>> attempting
>> to "unroll" an rdf model, which can be an arbitrary graph, into a
>> tree.
>> It is not necessarily the case that the entire tree needs to be
>> displayed
>> all at once. As is the case with ajax, you could imagine sending
>> a quite
>> extensive tree of information back to the client, but then leaving
>> it up
>> to the client (under the user's control) to make decisions about
>> which
>> parts of the tree to "expand"/display at a given moment. This
>> would seem
>> to hold out the possibility of supporting various types of
>> semantic zoom
>> at the client, without need for going back to the server each time
>> you
>> want more details.

   David, don't you think that this is an implementation detail of the
   software responsible to interpret a fresnel stylesheet? If not, how can
   we model that without entering the 'behavioral' space?

well, it is an implementation detail of how the responsible software
operates, but I think it will be good to keep in mind that it might
be worth crafting lenses that spit out far more data than one could
reaosnably imagine viewing all at once in a rendering.

   Stefano Mazzocchi
   Research Scientist Digital Libraries Research Group
   Massachusetts Institute of Technology location: E25-131C
   77 Massachusetts Ave telephone: +1 (617) 253-1096
   Cambridge, MA 02139-4307 email: stefanom at mit . edu
Received on Tue Mar 22 2005 - 14:42:38 EST

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