[Esip-discovery] Standard metadata in collectioncasts

Ruth Duerr rduerr at nsidc.org
Tue Feb 19 15:42:00 EST 2013

Hi Eric,

I am not sure what your definition of dataset is but it sounds like the low level datasets within a file like HDF uses.  Not sure if that is true or not.  If so though, maybe we are using the term collection the same way as you are.  In that case, I should say that some NSIDC OpenSearch services already support what you are talking about (i.e., they return a list of parameters for the data set/collection). However I don't think we are using CF standard names, rather the GCMD parameter list, though I'd have to double check that.  I am also pretty sure that we actually aren't advertising these services as being publicly available (though they are).

I should also note that we want to keep the CollectionCast spec the same as the data set level OpenSearch spec for query results.

I guess all of this is to say that we would support such an optional list provided it was part of both the CollectionCast and OpenSearch results specs…


On Feb 19, 2013, at 12:15 PM, Eric Rozell <rozele at rpi.edu> wrote:

> I'm currently working on a project  interested in harvesting the CF standard names in opendap metadata.
> I thought this might be an interesting use case for collection casts.
> I currently dont have a way of determining which opendap datasets belong to the same collection other than inspecting the URL paths.
> What would be useful is an aggregate feed of the standard parameters provided in a particular collection.  Could we add an (optional) list of parameters from a standard vocabulary that are shared across all datasets from a collection?
> Not sure if this has been previously discussed or not.
> Cheers,
> Eric
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