[obstap: obs_title]free format data model field

Juande Santander Vela juandesant at gmail.com
Wed Mar 16 06:47:27 PDT 2011


But what is the role of this field in the discovery? Only for human readability in case of returning less than around 100 records, it seems...

Am 16/03/2011 um 14:40 schrieb Mireille Louys:

> Hi Doug, all ,
> 
> I think we agreed to have this field in the Obscore data model and re-use the definition from the Spectrum DM.
> It is an ObsTAP optional field in free text format.
> As you precisely explain this is fully relevant for the user to interpret the response of a query and for applications to re-use this metadata when dealing with observations.
> 
> I inserted a sentence for this in the new version of the draft.
> Mireille
> 
> 
> On 16/03/2011 13:33, Douglas Tody wrote:
>> On Wed, 16 Mar 2011, Francois Bonnarel wrote:
>> 
>>> On the obs_title discussion:
>>> -----------------------------------------------
>>> 
>>> /As far as I understand obs_title is a free text description. Maybe usefull but the field name is confusing I think. Nothing to do with an ID./
>> 
>> Note that this is already in the data model (SSA/Spectrum) with the
>> name "title": DataID.Title.  It is also in SIA1 (VOX:Image_Title).
>> In both cases it is mandatory metadata.  The name derives from FITS
>> where it is commonly used for image data.  It is not an identifier
>> in the usual sense, but is part of dataset identification, providing
>> a human readable, free text (but short) description of the dataset.
>> This is commonly used in analyis software to e.g. describe a dataset in
>> a query response table, in a plot header, in the label of a displayed
>> image, and so forth.
>> 
>>    - Doug
>> 
> 
> -- 
> --------------------------------------------------------------
> Mireille LOUYS          mailto: mireille.louys at unistra.fr
> 
> L S I I T&      CDS,
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> 
> 

--
Juande Santander Vela
Software Engineer, ALMA Archive Subsystem
Data Flow Infrastructure Department, Software Development Division
European Southern Observatory (Germany)

Albert Einstein: Sólo hay dos cosas infinitas, el universo y la estupidez humana, y de la primera no estoy seguro.



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