[esip-semanticweb] ok, let's start with GCIS identifiers

Lynnes, Christopher S. (GSFC-6102) christopher.s.lynnes at nasa.gov
Mon Apr 2 09:36:52 EDT 2012


On Apr 1, 2012, at 10:49 AM, Curt Tilmes wrote:

> On 03/28/2012 04:17 PM, Lynnes, Christopher S. (GSFC-6102) wrote:
>> http://globalchange.gov/dataset/gcmd/GES_DISC_AIRX3STD_V005
>> http://globalchange.gov/dataset/doi/10.3334/ORNLDAAC/849
> 
> Yes.
> 
> If you try to resolve those, what should get returned?
> 
> 
> Using the content negotiation we've been discussing, if you request
> those URIs, you get back different types based on the Accept header:
> 
> application/rdf\+xml    RDF
> application/json        JSON
> text/html (and default) HTML
> 
> You can also force those by simply appending ".html", ".rdf" or
> ".json" to the end of the URI.

Sounds good!

> 
> 
> What metadata fields should be returned for those?
> 
> For the DOI, one of the fields should always redirect to the data
> center landing page (e.g. http://dx.doi.org/10.3334/ORNLDAAC/849).
> 
> It looks like
>    http://globalchange.gov/dataset/doi/10.3334/ORNLDAAC/849
>    owl:sameAs
>    http://globalchange.gov/dataset/gcmd/VG_GFE21
> 
> should we prefer one of those and do a redirect, or just
> return the same info (including the sameAs) for each?

Either one is acceptable, but it seems like the second would be easier.
> 
> 
> (Some people say always do a redirect to make clear the distinction
> between the thing we're attaching the identifier to and the page
> describing that thing.)
> 
> 
> GCMD for GES_DISC_AIRX3STD_V005 refers to Online Resource
> 
> http://disc.sci.gsfc.nasa.gov/AIRS/data-holdings/by-data-product/airsL3_STD_AIRS_AMSU.shtml
> 
> 
> Presumably, if a DOI were assigned to that dataset, that URL would
> be the 'landing page' for it.

Actually, we are working on more formal/standardized landing pages with more permanent (and simpler) URLs. 
> 
> Interestingly, the GCMD DIF for VG_GFE21
> refers to a different page for Online Resource than the DOI:
> 
> 
> http://mercury.ornl.gov/ornldaac/send/xsltText2?fileURL=d%3A%5Cmercury_instances%5Cornldaac%5Cdaac%5Charvested%5Crecord829.xml&full_datasource=DAAC+Datasets&full_queryString=+%28+fileID+%3A+849+%29&ds_id=849
> 
>     vs.
> 
>     http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=849
> 
> 
> Curt

--
Dr. Christopher Lynnes     NASA/GSFC, Code 610.2    phone: 301-614-5185




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