DC&P at IVOA Dec. Interop meeting

Pierre Le Sidaner pierre.lesidaner at obspm.fr
Tue Nov 30 05:37:28 PST 2010


Hi Alberto

OK I prepare a couple of slides for a short presentation

Best regards
Pierre
> Dear Pierre,
>
> I would welcome a discussion on the use of identifiers within the IVOA 
> and their relationships with archival systems and wider standards such 
> as DOIs, URNs, etc.  At ADASS I briefly spoke to Ray Plante about IVOA 
> identifiers and (I think) we both agreed that it would be good to have 
> a discussion about their current and future use for describing both 
> services and data products.
>
> Pierre, could you prepare some slides describing your approach for the 
> DC&P session (wednesday afternoon)?
>
> Ray, would you be willing to say a few words about the use (and abuse) 
> of IVOA identifiers in the registry and how they relate to other 
> standards?  You have probably seen Norman Gray's note about Long-term 
> URIs [1] so I think this discussion would be timely.  I can chime in 
> about the experience we've had in the US within the ADEC group and the 
> recent developments within DataCite.
>
>
> Thanks,
> -- Alberto
>
> [1] http://www.astro.gla.ac.uk/users/norman/ivoa/long-term-uris.html
>
> Pierre Le Sidaner wrote:
>> Hi
>>
>> ld like to pay attention or to make a short presentation on a 
>> particular point. It's both related to preservation and registry.
>> I would just like to describe our experiment on the subject to 
>> promote "good practice"
>> The OAIS (Open Archival Information System) suppose a unique 
>> identifier that allow to specify without ambiguity unit of 
>> information stored.
>>  From IVOA point of view it's the ivo identifier. Since the last 
>> version of registry syntax of this IVO is constrain. This point is 
>> largely discuss by library's network.
>> I guess a good attention could be give to this identifier that will 
>> tell the location of the data, but also the organisation of the project.
>> Particularly a hierarchical description from the host institute to 
>> the data set including the team in charge of the data. We will try to 
>> present our treatment of this on VO Paris Data Centre as a join 
>> venture of different institute.
>>
>> we have used for our proper case a specified aproach
>> ivo://<root>.<entity>.<organisation>/<service>+/<protocol>
>> where <root> represent the named autority root for us it's vopdc as 
>> vo paris data centre
>> where <entity> represent l'autority responsible for this ressource 
>> ressource, for us it could be observatoire de paris as obspm or 
>> institut d'astrophysique de paris as iap ....
>> where <organisation> represent the organisation that lead the projet 
>> who deliver the ressource. For us it's for example the departments of 
>> the Observatoire : GEPI, LERMA, LESIA ...
>> this should compose the naming authority
>> and then as usual the <service>+/<protocole>
>>
>> The organisation of naming authority will give good visibility to the 
>> institute and global project. It will allow to find quickly the 
>> different ressources registered. It will be clear for the user the 
>> provenance of data.
>>
>> Our approach will also at least leave one untreated points that have 
>> to be discuss:
>>
>> * Should we promote access to IVO registry to other project with IVOA 
>> or particular protocol, for example : VAMDC with TAP:XAMP, EUROPLANET 
>> & IPDA with PDAP, HELIO ....
>> then this identifier will be ivo: or should we allow to share IVOA 
>> infrastructure with identifier vamc: or epn: or should it be 
>> ivo://epn/....
>> I understand that it's both a political and a technical point
>>
>> If you want I can make a very short presentation on that
>> Best regards
>> Pierre
>>
>> Dear DC&P enthusiasts,
>>
>>>
>>> As the new Chair of the Data Curation and Preservation IG, I would 
>>> like to hear from people on the list what topics we may want to 
>>> discuss during the meeting and who may want to give a presentation.  
>>> Two main reasons for this request:
>>>
>>> 1. Coming up with an agenda for the meeting, and
>>> 2. Scheduling an appropriate amount of time for discussion
>>>
>>> Since there will be parallel sessions, it would be good to hear from 
>>> you what, if any, additional meetings we should try to avoid 
>>> conflicts with.
>>>
>>> I have a few items that I would like to see discussed during the 
>>> meeting, and will send a separate email with my suggestions.
>>>
>>> Thanks!
>>> -- Alberto
>>>
>>>
>>
>>
>>
>
>


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                            Pierre Le Sidaner
                         Observatoire de Paris

Division Informatique de l'Observatoire
Observatoire Virtuel 01 40 51 20 89
61, avenue de l'Observatoire 75014 Paris

mailto:pierre.lesidaner at obspm.fr
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