[Go-essp-tech] replicas and search

[Don Middleton]

A follow-on to the call, as I had to leave a bit early. We were  
discussing being able to use the tracking id for various files. If the  
tracking id is not in the federated metadata, how does one know which  
gateway to consult for information?

don


On Dec 1, 2009, at 2:30 PM, Luca Cinquini wrote:

> Hi,
> 	as I mentioned today at the telecon, I think the RDF query services  
> should be able to handle the concept of dataset replicas quite  
> nicely. The main concepts are that the RDF records generated from  
> replicas must have different RDF identifiers, so they can be  
> exchanged independently among gateways, and must reference their  
> original RDF record.
>
> If you are interested, I've documented some of the details here:
>
> https://wiki.ucar.edu/display/esgcet/Metadata+Search+and+Replicas
>
> I'm also including a snapshot of an ESG Gateway that shows multiple  
> replicas returned as part of a DRS search (note that how the  
> replicas are presented in the result page can be easily changed -  
> the picture is just to show that the query can handle replicas).
>
> thanks, Luca
>
> <DRS with Replicas.tiff>
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