The NetCDF Markup Language (NcML) | Agrisemantics Map of Data Standards

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NcML is an XML representation of netCDF metadata, (approximately) the header information one gets from a netCDF file with the "ncdump -h" command. NcML is similar to the netCDF CDL (network Common data form Description Language), except, of course, it uses XML syntax.
NcML development is happening on two fronts:
- NcML-2.2 as implemented by the NetCDF-Java library.
- NcML-Gml is an extension of ncML core schema, based on GML grammar.

Form

Core information

URL(s):

http://www.unidata.ucar.edu/software/thredds/current/netcdf-java/ncml/#NcML22

Publisher(s) / Maintainer(s):

Unidata, University Corporation for Atmospheric Research (UCAR)

Domain(s):

[Peripheral / neighbouring domains], Meteorology and Climatology

Type of standard:

Schema / element set

Describes / models / annotates:

Natural Resources, Earth and Environment data, Weather / meteorological data, Observations and measurement (all domains), [General / cross-cutting]

Segment of the value chain:

Conditions (weather, soli...)

Additional information

Acronym:

NcML

Contact email:

standards@opengeospatial.org

Publication year:

2001

License(s):

Copyrighted, re-use allowed

Status:

Broadly recognized in its scope

Technical information

Format of the data standard:

XML

Namespace:

http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2

Download / dump:

http://www.unidata.ucar.edu/schemas/netcdf/ncml-2.2.xsd

Relations

Aligned / mapped to (link to vocabulary in the map):

NetCDF - Network Common Data Form

VEST / AgroPortal integration

Original source:

VEST Registry

Assessment

An overview of criteria used for the assessment can be found here.

Total score:

1.62

assessment tabs

Fitness / adoption

Complete:

Yes, complete, consistent and granular

Authoritative:

Not clear - N/A

Largely compatible:

Yes

Known:

Yes, moderately

Used in software:

Not clear - N/A

Used in datasets:

Not clear - N/A

Discoverable:

Yes

Regulatory:

Endorsed:

Yes, moderately

Long-term, sustainable:

Yes, reasonably

Participatory, collaborative:

Not clear - N/A

Maintained:

Yes

Scores

Avg fitness:

2.67

Avg adoption:

1.67

Usability / openness

Available on the web:

Yes

Versatile:

Served by APIs:

Manageable:

Not clear - N/A

Documented:

Yes

Supported:

Not clear - N/A

Testable:

Not clear - N/A

Machine-readable:

Yes

Meaningful:

Annotated:

Referenceable:

Linked:

Clearly licensed:

Yes

Openly licensed:

Scores

Avg usability:

1.29

Avg openness:

0.86

Notes on assessment:

First assessment done by FAO

URI: https://vest.agrisemantics.org/node/20138

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