[OAI-implementers] Exposing thumbnails

Leslie Carr lac at ecs.soton.ac.uk
Tue Sep 18 07:24:43 EDT 2007

A thumbnail isn't useful for information discovery per se, so I would  
imagine that it would be likely to be a repository-service issue. It  
may be that a OAI-service would have rules for finding thumbnails  
based on repository platform in the same way that has to have rules  
about finding the data/files/objects/bitstreams that correspond to an  
OAI item.

For example, if you know that foo.bar.org is an EPrints v3  
repository, then the item that corresponds to oai:foo.bar.org:10456  
would have a thumbnail for its first bitstream at http://foo.bar.org/ 

This of course, is not a very satisfactory solution!

On 18 Sep 2007, at 11:46, CHARLES, Daphne wrote:

> Hi,
> I've noticed that some service providers include thumbnails in  
> their search results.  I'd quite like to make this facility  
> available for any harvesters of our repository who wish to use it,  
> but can't find any specific references in any of the OAI DC  
> guidelines explaining what the XML should look like.
> Can anyone tell me if there an accepted protocol for exposing  
> thumbnails, or is it something agreed between individual  
> repositories and harvesters?
> Many thanks
> Daphne Charles
> Development Team Leader (Web)
> English Heritage
> NMRC, Kemble Drive
> Swindon SN2 2GZ
> Tel 01793 414894
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