Single or collection resources

[Doug Tody]

On Wed, 5 Aug 2009, Markus Demleitner wrote:

>> Re option #2, while the RMI cannot fully describe the data in this case
>> since there are multiple individual collections, the SIA query response
>> can, since each image is separately described.  Hence something
>> like CREATOR (DataID.Creator), COLLECTION, PublisherDID, etc. can
>> be specified separately for each image.  This metadata is included
> Hm, I suspected that SIAv2 would make such collection services a bit
> more attractive, but still that metadata is only included in the
> *response* but is not available while people are trying to locate
> resources in the registry, so even SIAv2 won't help me too much.
>
> I guess what I'd really be looking for would be some way of
> registering the individual data sets and point them all to one SIAP
> service.  But that's bad as well, since then data will come back that
> doesn't match the registry metadata.

But you can register the individual data collections ("data sets"), and
separately search for services which provide data from the collections
of interest.  Then when the SIA query is issued the (V2) query response
can identify the registered collection the particular image comes from.

 	- Doug