Linked Data by Dr. Barbara B. Tillett Chief, Policy and Standards Division Library of Congress For Texas Library Association Conference April 12, 2011

2 Database/format Scenarios Bib record (flat-file) Lee, T. B. Cataloguing has a future Spoken word. 1 sound disc 1. Metadata Donated by the author. Based on Gordon Dunsire’s slide Z L

3 Database/format Scenarios Bib record (flat-file) $a Lee, T. B $a Cataloguing has a future 500 $a Spoken word. 300 $a 1 sound disc $a Metadata $a Donated by the author. Based on Gordon Dunsire’s slide

4 Database/format Scenarios Bib record (flat-file) Author: Title: Content type: Carrier type: Provenance: Subject: Lee, T. B. Cataloguing has a future Spoken word Audio disc Metadata Donated by the author Name authority record Name: Subject authority record Identifier: … Label: Identifier: … Bib record (description) Item information Manifestation information Expression information Work information FRBR record RDA content type registry Label: Identifier: … Spoken word RDA element registry RDA carrier type registry Future record ONIX FRBR registry (IFLA) Based on Gordon Dunsire’s slide Work title: Cataloguing has a future

5 Author: Title: Content type: Carrier type: Provenance: Subject: Lee, T. B. Cataloguing has a future Audio disc Metadata Donated by the author Name authority record Name: Subject authority record Identifier: … Label: Identifier: … Item information Manifestation information Expression information Work information RDA content type registry Label: Identifier: … Spoken word RDA carrier type registry Linked Data Work Title: Cataloguing has a future Cataloguing has a future

6 Author: Title: Content type: Carrier type: Provenance: Subject: Lee, T. B. Cataloguing has a future Audio disc Metadata Donated by the author Name authority record Name: Subject authority record Identifier: … Label: Identifier: … Item information Manifestation information Expression information Work information RDA content type registry Label: Identifier: … Spoken word RDA carrier type registry Package for Data Sharing Lee, T. B. Metadata Spoken word Audio disc Work Title: Cataloguing has a future Cataloguing has a future Communication format record

7 7 Author: Title: Content type: Carrier type: Cataloguing has a future Package for displays Future display Lee, T. B. Spoken word (Audio disc) ( )

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9 9 Summary User-oriented models (FRBR/FRAD)  Collocate works/expressions  Identify resources through specific elements (attributes) and relationships Internationalization  Cost reduction through increased sharing of data  Across information communities

10 Summary Principle-based rules (ICP)  Cataloger’s judgment (Best for users)  Take what you see for transcribed data (Representation) Facilitate harvesting and sharing of descriptive metadata  Less rigid, more flexible Add controlled vocabularies for precision of searching

11 Questions?

Acronyms and Links DC – Dublin Core DCMI – Dublin Core Metadata Initiative DCAM – Dublin Core Abstract Model FRAD – Functional Requirements for Authority Data FRBR – Functional Requirements for Bibliographic Records (this site includes a Webliography) IFLA – International Federation of Library Associations and Institutions JSC – Joint Steering Committee for Development of RDA RDA – Resource Description and Access 12

Acronyms and Links ALA Publishing URL for RDA Toolkit: RDA Toolkit demo: US RDA Test, General information: Library of Congress Documentation for the RDA Test (training materials and decisions for test on RDA options):

Attributes – Elements/data to identify an entity (e.g., title; place of publication; date of publication; etc.) Carrier types – categories of the kinds of packages to convey information (e.g., volume, microfiche, videocassette, globe) Content types (e.g., text, image, sound, cartographic content, notated movement) Media types (e.g., audio, video, unmediated) Terms 14