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Re: SKOS Implementation: Vocabularies stored in the NSDL Metadata Registry

From: Sean Bechhofer <sean.bechhofer@manchester.ac.uk>
Date: Tue, 5 May 2009 12:18:12 +0100
Message-Id: <4718910D-6360-4EFE-9BB1-D36B2FD10E13@manchester.ac.uk>
Cc: SWD Working Group <public-swd-wg@w3.org>, Antoine Isaac <aisaac@few.vu.nl>
To: Jon Phipps <jphipps@madcreek.com>

Jon

Thanks for your input. We are using the SKOS issue tracker to manage  
implementation
experience, and this has been logged in the SKOS Issue tracker as
[ISSUE-209] and [ISSUE-210].

	Sean
On 29 Apr 2009, at 16:25, Jon Phipps wrote:

> == Vocabulary Implementations ==
>
> NSDL Metadata Registry
>
> * vocabulary title(s)
>
> The Registry currently hosts 71 vocabularies:
>
> 21st Century Skills
> Core Processes
> GEM Assessment Vocabulary
> GEM Education Level Vocabulary
> GEM Subject Vocabulary
> Glossary for Arts and Cultural Education
> Hebrew GMDs
> Honorific Name Prefixes
> Instructional Methods
> NSDL Education Level Vocabulary
> NSDL GEM Topics
> NSDL Learning Resource Type Vocabulary
> NSDL Registry Administrative Vocabulary
> NSDL Registry Agents Vocabulary
> NSDL Registry AP Properties
> NSDL Registry Schema Properties
> NSDL Registry Status Vocabulary
> NSDL Registry Top Level Thesaurus Vocabulary
> Plant Types
> RDA applied material
> RDA Aspect Ratio
> RDA base material
> RDA Base Material for Microfilm, Microfiche, Photographic  
> Negatives, and Motion Picture Film
> RDA Book Format
> RDA Broadcast Standard
> RDA Carrier Type
> RDA Choruses
> RDA colour
> RDA Configuration of Playback Channels
> RDA Content Type
> RDA Conventional Collective Titles
> RDA Digital File Characteristics
> RDA Emulsion on Microfilm or Microfiche
> RDA Extent of Cartographic Resource
> RDA Extent of Still Image
> RDA Extent of Three-dimensional Forms
> RDA Font Size
> RDA Form of Musical Notation
> RDA Form of Tactile Notation
> RDA Format of Notated Music
> RDA Frequency
> RDA Generation of Audio Recording
> RDA Generation of Digital Resource
> RDA Generation of Microform
> RDA Generation of Motion Picture Film
> RDA Generation of Videotape
> RDA Groove Characteristic
> RDA Groups of Books in the Bible
> RDA Groups of Instruments
> RDA Illustrative Content
> RDA Instrumental Music for Orchestra, String Orchestra, or Band
> RDA Layout
> RDA Layout of Tactile Musical Notation
> RDA Media Type
> RDA Mode of Issuance
> RDA Polarity
> RDA Presentation Format of Motion Picture Film
> RDA production method
> RDA Production Method for Manuscripts
> RDA Production Method for Tactile Resources
> RDA Recording Medium
> RDA Reduction Ratio
> RDA Solo Voices
> RDA Special Playback Characteristics
> RDA Standard Combinations of Instruments
> RDA Track Configuration
> RDA Type of Recording
> RDA Video Characteristics
> Service Type Vocabulary
> TaxonX
> urban explorers - site features CV
>
> There are 125 additional 'experimental' vocabularies in the  
> registry sandbox
>
> * name of person and/or organisation responsible for the  
> implementation
>
> Jon Phipps, Diane Hillmann, Metadata Management Associates (http:// 
> managemetadata.com)
>
> * a list of the SKOS constructs used
>
> skos:altLabel
> skos:broader
> skos:definition
> skos:editorialNote
> skos:narrower
> skos:prefLabel
> skos:related
>
> although most SKOS constructs are available, these are the ones in  
> active use.
>
> * URL(s) where the published SKOS data may be obtained, if the data  
> are publicly available
>
> The main Registry:
> http://metadataregistry.org/vocabulary/list.html
>
> The Registry Sandbox:
> http://sandbox.metadataregistry.org/vocabulary/list.html
>
> The NSDL Metadata Registry was funded in 2005 by the U.S. National  
> Science Foundation (NSF) to provide management services for  
> controlled vocabularies maintained for use in the NSF National  
> Science Digital Library (NSDL). The Registry has pursued a mandate  
> to enable collaborative, group-based, multi-language vocabulary  
> management and provide a stable platform for delivering controlled  
> vocabularies for use in both RDF- and XML-based environments --  
> vocabularies may be referenced as either simple W3C XML Schema or  
> RDF Schema. Vocabulary changes are captured and time-based  
> snapshots and named versions may be referenced. Subsequent work has  
> begun to implement a similar model to allow more complex RDF  
> vocabularies to be managed in the framework.
>
> Registration of Agents and Vocabularies is not restricted, but the  
> primary agents have been NSDL and Resource Description and Access  
> (RDA - www.rdaonline.org/).
>
> The Registry is also available as Open Source Software...
>
> == Software Implementations ==
>
> If you are notifying us of software as an implementation, please
> provide *at least* the following information:
>
> * name of the software (e.g. SKOSEd)
>
> NSDL Metadata registry
>
> * name of person and/or organisation responsible for the  
> implementation
>
> Jon Phipps, Diane Hillmann, Metadata Management Associates (http:// 
> managemetadata.com)
>
> * URLs for software home page and/or download location if publicly  
> downloadable
>
> http://trac.metadataregistry.org/
>
> * can the software read SKOS data?
>
> Not at present (we're working on import and validation)
>
> * can the software write SKOS data?
>
> Yes
>
> * can the software check consistency of SKOS data with respect to  
> the SKOS data model?
>
> The software provides a tightly controlled, collaborative editing  
> environment for describing controlled vocabularies and thesauri  
> using the SKOS vocabulary. The model does not currently allow  
> inconsistent or invalid input.
>
> The registry has been designed to enable collaborative, group- 
> based, multi-language vocabulary management and provide a stable  
> platform for delivering controlled vocabularies for use in both  
> RDF- and XML-based environments -- vocabularies may be referenced  
> as either simple W3C XML Schema or RDF Schema. Vocabulary changes  
> are captured and time-based snapshots and named versions may be  
> referenced.
>
> The NSDL Metadata Registry was a very early adopter of SKOS,  
> predating the formation of the current working group, and is  
> updating their original SKOS model in order to adopt the current  
> standard.
>
> The software is written in PHP, uses the Symfony PHP framework, and  
> has a MySQL database, although the software has been designed to be  
> database-agnostic.

--
Sean Bechhofer
School of Computer Science
University of Manchester
sean.bechhofer@manchester.ac.uk
http://www.cs.manchester.ac.uk/people/bechhofer
Received on Tuesday, 5 May 2009 11:18:06 UTC

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