[datacatalogs] Status of data catalog metadata standards

[Rebecca Williams]

   - NY state adheres to the main components of the Dublin
Core<http://www.dublincore.org/documents/dces/?1390602953763>,
   see:
   http://nys-its.github.io/open-data-handbook/metadata.html?1390602883957
   - Socrata folks had mentioned to me off hand after applying the POD
   schema to their portals that they might include different metadata schemas
   in the future as options -- I'm not sure where this stands now
   - T Levine's gatehred metadata might be helpful at seeing emergent
   trends: https://github.com/tlevine/open-data



On Fri, Jan 24, 2014 at 5:33 PM, James McKinney <james at opennorth.ca> wrote:

> http://schema.org/Dataset derives from DCAT. DCAT is a W3C
> Recommendation, which is as stable and finalized as anything goes in W3C.
>  There are no other more stable or finalized standards. I spent a lot of
> time on the project-open-data issue tracker getting its schema to match the
> DCAT spec. In terms of adoption, you'll find an incomplete list here
> http://www.w3.org/2011/gld/wiki/DCAT_Implementations
>
> To my knowledge, dataprotocols.org is not about data catalog metadata. It
> addresses other problems like CSV on the web, etc.
>
> Besides DCAT, I don't know of another *standard* specifically focused on
> data catalogs. Thematic areas, e.g. health data, may have their own
> specific standards. Of course, each data catalog vendor has its own custom
> formats, toolchains, etc.
>
> In my opinion, all efforts should be on DCAT.
>
> James
>
> On 2014-01-24, at 4:57 PM, Philip Ashlock wrote:
>
> Can I get some help piecing together an overview of the current state of
> data catalog metadata standards?
>
> I'm interested in getting a rough sense of how stable or finalized certain
> schemas are and how much they've have been adopted by data producers, data
> consumers, and the toolchains associated with them.
>
> In particular:
>
> * DCAT and derivatives/serializations
> * Schema.org Datasets schema
> * Anything on http://dataprotocols.org
>
> The main reason I ask is because of the future of the US Federal
> Government's metadata schema and the implication of others serving metadata
> based on it (such as US local governments)
>
> For that schema, see:
> http://project-open-data.github.io/schema/
> http://project-open-data.github.io/metadata-resources/
>
> This schema was driven by the US federal government, but was informed by
> some existing standards including DCAT and is meant to have mappings to
> them (as seen in the aforementioned link). There are variety of disparate
> systems in the federal government that now publish metadata using this
> schema. There's a CKAN extension to both produce and consume this schema
> and there's also some support from other full featured data catalog systems
> (namely DKAN and Socrata as far as I know).
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-- 
Policy Analyst | Sunlight Foundation <http://www.sunlightfoundation.com/>
(c) 413-387-8268 | @internetrebecca <http://www.twitter.com/internetrebecca>
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