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RDA: A New Standard Supporting Resource Discovery

RDA: A New Standard Supporting Resource Discovery. Presentation given at the CLA conference session The Future of Resource Discovery: Promoting Resource Discovery with Improved Metadata June 3, 2010 by Tom Delsey. find. Find resources that correspond to the user’s search criteria.

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RDA: A New Standard Supporting Resource Discovery

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  1. RDA: A New Standard Supporting Resource Discovery Presentation given at the CLA conference session The Future of Resource Discovery: Promoting Resource Discovery with Improved Metadata June 3, 2010 by Tom Delsey

  2. find Find resources that correspond to the user’s search criteria identify Confirm that the resource found corresponds to the resource sought select Select a resource that is appropriate to the user’s needs obtain Acquire or access the resource described resource discovery

  3. key objects of interest work expression manifestation item person family concept corporate body object event place

  4. work core elements find manifestation Work manifested Preferred title for the work Creator Subject Title proper Manifestation identifier

  5. expression core elements find identify work manifestation Preferred title for the work Creator Subject Title proper Manifestation identifier Statement of responsibility … Designation of edition Numbering of serials Place of publication Publisher’s name Date of publication Title proper of series/subseries Numbering within series/subseries Carrier type Extent Identifier for the work Form of work Date of work Place of origin … Other distinguishing characteristic … Medium of performance Numeric designation … Key Signatory to a treaty, etc. Identifier for the expression Content type Language of expression Date of expression Other distinguishing characteristic … Scale of cartographic content

  6. enhanced description • Base elements derived from AACR2 and MARC 21 • Additional descriptive elements • Content type, Media type, Carrier type • Resolution, Regional encoding, Transmission speed • Specific identification of “buried” elements • Nature of the content, Coverage of the content, Accessibility content

  7. controlled vocabularies • Incorporates controlled vocabularies derived from AACR2 and MARC 21 • Additional controlled vocabularies • Content type, Media type, Carrier type • Form of musical notation, Form of notated movement • Production method, Encoding format • Potential for automated “translation” and “customization” of vocabularies

  8. extended access • Elimination of “rule of three” • No limit to access points for creators, contributors, etc. • No limit to access points for works contained in a compilation • “Unbundling” of elements within access points • Potential for use as searchable elements or search limiters • Potential for customization of access points

  9. relationships • Elements defined specifically to record relationships • Adds meaning to conventional “added entry” • Clarifies identity of related entity • Relationship designators • Indicate specific nature of the relationship • Potential for use as searchable element or as search limiter • Potential for use in organizing results sets

  10. relational / object-oriented database structure MANIFESTATION RECORD Title proper Variant title Statement of responsibility relating to title proper Designation of edition Place of publication Publisher’s name Date of publication Carrier type Extent … REGISTRATION RECORD (PERSON) Preferred name for the person Variant name for the person Date of birth • … Related person work embodied WORK RECORD Preferred title for the work Nature of the content • … • Person associated with the work • Relationship designator • Person associated with the work • Relationship designator Related work REGISTRATION RECORD (PERSON) expression of work Preferred name for the person Variant name for the person Title of the person • … Related person expression embodied exemplar of manifestation EXPRESSION RECORD REGISTRATION RECORD (PERSON) Language of expression • … • Person associated with the expression • Relationship designator Preferred name for the person Variant name for the person Profession or occupation … ITEM RECORD Custodial history of item Item-specific carrier characteristic Restrictions on access …

  11. web-accessible data • Coordination with DCMI • Alignment with W3C and DCMI models • Registration of RDA element set and vocabularies • Coordination with ONIX • Development of RDA/ONIX Framework for Resource Categorization

  12. summing up • RDA as a metadata standard • Comprehensive element set • Flexible and extensible framework • Well-formed metadata • Exploiting the potential • User-focussed implementation • Migration to newer database management systems • Enhancements to applications software

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