[esip-semantictech] NASA GCMD Keywords Version 9.0 Released (2019-11-12)

[John Scialdone]

Siri Jodha,

We've been kicking around the the Data Format Controlled Vocabulary list 
as well. We had a call with Valerie, Tyler and Scott recently about 
inconsistencies in this list. One of the goals of this list (from ARC 
team review of our metadata) was to help users understand the software 
needed to read/use the data. We suggested to add a field to this 
structure whereby values such as "ESRI", "Microsoft", "QGIS", "Adobe", 
"Google" etc. could be associated with a format. I think it would be a 
good exercise for all the DAACs to generate a list of formats they use 
and associated s/w, then bring them together over some telecons, face to 
face meetings, and thru tracking this effort via the Earthdata wiki, to 
eventually help generate a more well-thought-out list.

Thanx..
John


On 1/10/2020 4:08 PM, Siri Jodha Khalsa via esip-semanticweb wrote:
>
> I'm curious whether the ESIP semantic community has any opinions on 
> these two controlled vocabularies.
>
> One question I have is why a measurement keyword list was necessary 
> when GCMD already has the science keywords (a source for the original 
> SWEET). i.e. why not integrate measurements (which are represented as 
> variables in the science keywords) into the science keywords?
>
>
> the data format list is even more perplexing to me. "incidence angle 
> file" is a format? Georeferenced TIFF in addition to GeoTIFF?  DV? 
> (digital value?) is a format?  KML as well as OGC KML? ASCII and text 
> (what about unicode?) DEM, if this refers to digital elevation models 
> with a .DEM extension from USGS, are ASCII files.
>
>
> Many formats are subtypes of other formats listed. Wouldn't a better 
> approach be to list the /encodings/ (a much smaller list, which would 
> tell users how to read the data with software) and then add the 
> conventions that have been applied (e.g. CF for netCDF or GRIB for 
> binary). For the encodings list, why not start with mime types?
>
>
> sjs
>
>
> On 11/12/19 5:00 PM, Stevens, Tyler B. (GSFC-423.0)[Stinger Ghaffarian 
> Technologies] via esip-semanticweb wrote:
>> *
>>
>> The NASA Global Change Master Directory (GCMD) staff is pleased to 
>> announce the release of the GCMD keywords version 9.0. Version 9.0 
>> consists of two new keyword schemes: (1) Measurement Name and (2) 
>> Granule Data Format.
>>
>>
>> The Measurement Name 
>> <https://gcmdservices.gsfc.nasa.gov/kms/concepts/concept_scheme/MeasurementName/?format=csv>list 
>> is a preliminary set of (~100) keywords that represent an observable 
>> property, usually geophysical, geo-biophysical, physical, or 
>> chemical. The Granule Data Format 
>> <https://gcmdservices.gsfc.nasa.gov/kms/concepts/concept_scheme/GranuleDataFormat/?format=csv>list 
>> of keywords represent the format of the data that is distributed by 
>> the data center.
>>
>> The keywords help facilitate the classification and discovery of 
>> Earth Science data by providing a rich vocabulary for characterizing 
>> the data. The GCMD keywords are used by hundreds of data providers 
>> worldwide for categorizing the ~33,000 records stored in theCommon 
>> Metadata Repository <http://earthdata.nasa.gov/cmr>.
>>
>> For more information about the keywords and how to access them, 
>> please visit theKeyword Landing Page. 
>> <https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords>Questions 
>> about the keywords can be submitted to support at earthdata.nasa.gov 
>> <mailto:support at earthdata.nasa.gov>or directed to Valerie Dixon at 
>> valerie.dixon at nasa.gov.*
>>
>> _______________________________________________
>> esip-semanticweb mailing list
>> esip-semanticweb at lists.esipfed.org
>> https://lists.esipfed.org/mailman/listinfo/esip-semanticweb
> -- 
> Siri-Jodha Singh KHALSA, Ph.D., SMIEEE
> National Snow and Ice Data Center
> University of Colorado
> Boulder, CO 80309-0449 Phone: 1-303-492-1445 GV: 1-303-736-9976
> http://cires.colorado.edu/~khalsa
> http://orcid.org/0000-0001-9217-5550
>
>
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-- 
John Scialdone
Manager, Data Center Services: NASA Socioeconomic Data and Applications 
Center (SEDAC)
Project Lead: Jamaica Bay Research and Management Information Network 
(JBRMIN)
Project Lead: Jamaica Bay & Sandy Hook BioBlitz Events
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