Difference between revisions of "Controlled vocabularies"

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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">A [https://www.ands.org.au/guides/vocabularies-and-research-data controlled vocabulary]&nbsp;is an agreed list of terms definitions used to provide a unique&nbsp;label to a concept. Controlled vocabularies are usually discipline related, their main aim is to facilitate&nbsp;sharing of data in the same community. For this reason is important that the commun ity participate in the development of the vocabulary and agrees to its adoption for them to be useful.</span></span>
 
  
<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">In some case vocabularies have been created in relation to a specific project, and then more widely adopted.&nbsp;As an example, since&nbsp;CMIP&nbsp;is&nbsp;an intercomparison project with modelling groups participating from across the world, it was essential to its success&nbsp;to define and&nbsp;use&nbsp;controlled vocabularies.&nbsp;[https://github.com/WCRP-CMIP/CMIP6_CVs CMIP6 controlled vocabularies] cover many different aspects: experiments, variables, realms, models, sub-projects,&nbsp;frequency, &nbsp; resolution and grid labels. Their definition and labels for variables, frequency and realms are&nbsp;often adopted by others climate data producers.</span></span>
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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">A [https://www.ands.org.au/guides/vocabularies-and-research-data controlled vocabulary]&nbsp;is an agreed list of terms definitions used to provide a unique&nbsp;label to a concept. Controlled vocabularies are usually discipline related;&nbsp;their main aim is to facilitate&nbsp;sharing of data in the same community. For this reason, is important that the community participate in the development of the vocabulary and agrees to its adoption for them to be useful.</span></span>
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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">In some case vocabularies have been created in relation to a specific project, and then more widely adopted.&nbsp;As an example, since&nbsp;CMIP&nbsp;is&nbsp;an intercomparison project with modelling groups participating from across the world, it was essential to its success&nbsp;to define and&nbsp;use&nbsp;controlled vocabularies.&nbsp;[https://github.com/WCRP-CMIP/CMIP6_CVs CMIP6 controlled vocabularies] cover many different aspects: experiments, variables, realms, models, sub-projects,&nbsp;frequency,&nbsp;resolution and grid labels. Their definition and labels for variables, frequency and realms are&nbsp;often adopted by other&nbsp;climate data producers.</span></span>
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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">Another example of controlled vocabulary is the [https://cfconventions.org/standard-names.html CF conventions standard_name table], anyone can contribute by proposing&nbsp;a definition for variable which are not yet covered.</span></span>
  
 
=== <span style="font-family:Arial,Helvetica,sans-serif;"><span style="font-size:medium;">'''Keywords'''</span></span> ===
 
=== <span style="font-family:Arial,Helvetica,sans-serif;"><span style="font-size:medium;">'''Keywords'''</span></span> ===
  
<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">Controlled vocabularies also provide&nbsp;keywords to use when publishing&nbsp;data. Keywords are a powerful instrument when used properly. They can greatly increase the discoverability of a dataset, which is why&nbsp;it is one of the few highly recommended attributes in the [[Conventions|ACDD conventions]]. Unfortunately there is not yet an agreed controlled vocabulary to be used specifically for climate science. Lots of climate terms are however covered by the [https://earthdata.nasa.gov/earth-observation-data/find-data/idn/gcmd-keywords Global Change Master Directory Keywords], maintained by NASA</span></span>
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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">Controlled vocabularies also provide&nbsp;keywords to use when publishing&nbsp;data. Keywords are a powerful instrument when used properly. They can greatly increase the discoverability of a dataset, which is why&nbsp;it is one of the few highly recommended attributes in the [[Conventions|ACDD conventions]]. Unfortunately, there is not yet an agreed controlled vocabulary to be used specifically for climate science. Lots of climate terms are however covered by the [https://earthdata.nasa.gov/earth-observation-data/find-data/idn/gcmd-keywords Global Change Master Directory Keywords], maintained by NASA</span></span><br/> &nbsp;
<br/> &nbsp; &nbsp; <span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">https://fairsharing.org/standards/</span></span>
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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">'''Research Vocabulary Australia'''</span></span>
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<span style="font-size:medium;"><span style="font-family:Arial,Helvetica,sans-serif;">ARDC manage a controlled vocabulary service [https://vocabs.ardc.edu.au Research Vocabulary Australia]&nbsp;(RVA) to&nbsp;list</span>&nbsp;vocabularies used by Australian research community. As well as making it easier to find controlled vocabularies, RVA&nbsp;also allows research organisation to contribute and publish new vocabularies.&nbsp;</span>
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<span style="font-size:medium;">Should this be in data tools???</span>

Revision as of 03:53, 17 June 2021

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A controlled vocabulary is an agreed list of terms definitions used to provide a unique label to a concept. Controlled vocabularies are usually discipline related; their main aim is to facilitate sharing of data in the same community. For this reason, is important that the community participate in the development of the vocabulary and agrees to its adoption for them to be useful.

In some case vocabularies have been created in relation to a specific project, and then more widely adopted. As an example, since CMIP is an intercomparison project with modelling groups participating from across the world, it was essential to its success to define and use controlled vocabularies. CMIP6 controlled vocabularies cover many different aspects: experiments, variables, realms, models, sub-projects, frequency, resolution and grid labels. Their definition and labels for variables, frequency and realms are often adopted by other climate data producers.

Another example of controlled vocabulary is the CF conventions standard_name table, anyone can contribute by proposing a definition for variable which are not yet covered.

Keywords

Controlled vocabularies also provide keywords to use when publishing data. Keywords are a powerful instrument when used properly. They can greatly increase the discoverability of a dataset, which is why it is one of the few highly recommended attributes in the ACDD conventions. Unfortunately, there is not yet an agreed controlled vocabulary to be used specifically for climate science. Lots of climate terms are however covered by the Global Change Master Directory Keywords, maintained by NASA
 

Research Vocabulary Australia

ARDC manage a controlled vocabulary service Research Vocabulary Australia (RVA) to list vocabularies used by Australian research community. As well as making it easier to find controlled vocabularies, RVA also allows research organisation to contribute and publish new vocabularies. 

 

Should this be in data tools???