Data Model URI utype

Mireille Louys mireille.louys at unistra.fr
Tue Apr 13 09:02:04 PDT 2010


Dear Markus, Dear all,

my take on this , with no full agreement up to now from the DM WG is  
to have for each model an item called : DataModelReference
We could then have attributes to this class , for each data model like :
DataModelReference.Name
DataModelReference.Version
DataModelReference.Uri

In your examples this would give :
<PARAM datatype="char" arraysize"*" name="DMURI"  
utype="char:DataModelReference.Uri"  
value="http://www.ivoa.net/Documents/CharacterisationDM-v1.13"/>

<PARAM datatype="char" arraysize"*" name="DMURI"  
utype="stc:DataModelReference.Uri" value="http://www.ivoa.net/stc/1.0"/>

This is very close to your suggestion, and requires that each IVOA  
data model have this item defined.

SSA has a definition and utype of the same kind in : Dataset.DataModel
that can be generalised as I suggest.

When the data model uri is uniquely defined according to an IVOA rule,  
then it can concatenates all info in just one field.

Any comments / suggestion from DM/DAL members?
Many thanks, Mireille

Markus Demleitner <msdemlei at ari.uni-heidelberg.de> a écrit :

> Hi Mireille,
>
> For the next draft of the STC-VOTable note, I'd really like to
> include a mechanism to embed the DM URI that you can live with.
>
> I still believe the easiest and at the same time most elegant
> approach would be a reserved name; I'd popose DMURI.  So, in STC,
> you'd have
>
> <PARAM datatype="char" arraysize"*" name="DMURI" utype="stc:DMURI"
>   value="http://www.ivoa.net/I/forget"/>
>
> in each group talking about STC.  A group talking about
> characterization would have
>
> <PARAM datatype="char" arraysize"*" name="DMURI" utype="char:DMURI"
>   value="http://www.ivoa.net/char/stc/1.0"/>
>
> (of course, I have no idea what the URI actually would be).
>
> Could you live with this?
>
> Cheers,
>
>          Markus
>
>






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