Vocabularising dataproduct_type
Laurent MICHEL
laurent.michel at astro.unistra.fr
Tue Mar 10 11:47:48 CET 2020
Markus,
I'm not sure that catalog data sets fit well within the definition of
the measurements.
A catalog is not necessarily derived from a dataset (Obcore P29 makes
that distinction)
Appart of this, I'm rather happy with this proposal.
Laurent
Le 09/03/2020 à 15:56, Markus Demleitner a écrit :
> Hi,
>
> With apologies for the wide crosspost, I'd suggest followups to
> DAL.
>
> In the past few weeks, in two different use cases it was felt
> desirable to have the terms for data product types introduced by
> Obscore outside of Obscore:
>
> (a) as qualifiers in media types (also beyond datalink).
> http://mail.ivoa.net/pipermail/dal/2019-December/008252.html
>
> (b) to declare the sort of data returned from SSAP services,
> http://mail.ivoa.net/pipermail/registry/2020-February/005410.html
>
> In this latter context I've now created a draft vocabulary from
> obscore dataproduct type. It has draft status at this point, so it's
> still cheap to change definitions, add terms, introduce structure,
> etc. Or to cancel the entire effort.
>
> The current vocabulary on http://www.ivoa.net/rdf/product-type .
>
> My current plan is have this vocabulary reviewed as part of the
> review of SimpleDALRegExt 1.2.
>
> So... what do you think?
>
> Here are a few points I'd particularly request feedback on:
>
> (a) The vocabulary name: I went for product-type (singular), as the full
> term URI then looks like http://www.ivoa.net/rdf/product-type#image
> or so, which I find nice. If someone calls for having "data" in
> there (data-product-type or dataproduct-type or whatever), I won't
> quarrel. I still figure we won't have types of any other sort of
> products and hence saving five characters seems worth the
> deviation from obscore terminology.
>
> (b) I've made the vocabulary largely flat; only "sed" quite clearly is a
> "spectrum". Do you see more structure in these concepts?
>
> (c) I've streamlined some of the descriptions from Obscore. For
> instance, I've removed the language on formats in the cube
> definition, as it seems somewhat ephemeral, and I've tried to be
> more precise in sed to get its primary characteristic in focus. And
> I've made the definition for visibility very short -- radio folks,
> complain if you disagree.
>
> Thanks,
>
> Markus
>
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---- Laurent MICHEL Tel (33 0) 3 68 85 24 37
Observatoire de Strasbourg Fax (33 0) 3 68 85 24 32
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