Download as PDF, PPTX
![Examples in JSON-LD
"subject":[
{
”providedLabel” : ”figures (representations)”
},
],
"subject":[
{
”concept” : ” Korea--
History--Japanese occupations, 1910-1945”
“scheme” : “http://id.loc.gov/authorities/subjects”
“exactMatch” : “http://id.loc.gov/authorities/subjects/sh85073038”
},
],](https://image.slidesharecdn.com/gueguenniso-141203121441-conversion-gate01/75/NISO-NFAIS-Joint-Virtual-Conference-Connecting-the-Library-to-the-Wider-World-Successful-Applications-of-Linked-Data-14-2048.jpg)
![Examples in JSON-LD
"subject":[
{
”providedLabel” : ”figures (representations)”
},
],
"subject":[
{
”concept” : ” Korea--
History--Japanese occupations, 1910-1945”
“scheme” : “http://id.loc.gov/authorities/subjects”
“exactMatch” : “http://id.loc.gov/authorities/subjects/sh85073038”
},
],](https://crownmelresort.com/image.slidesharecdn.com/gueguenniso-141203121441-conversion-gate01/75/NISO-NFAIS-Joint-Virtual-Conference-Connecting-the-Library-to-the-Wider-World-Successful-Applications-of-Linked-Data-14-2048.jpg)
NISO/NFAIS Joint Virtual Conference: Connecting the Library to the Wider World - Successful Applications of Linked Data
The document discusses the Digital Public Library of America's (DPLA) efforts in creating linked open data, presenting statistics like over 8 million records and 1,300 contributing institutions. It outlines the DPLA's metadata application profile, currently in version 3.1 and updating to version 4, and describes various RDF namespaces and standardized rights metadata initiatives. Future steps involve further integrating linked open data into library bibliographic records and developing services for it.
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NISO/NFAIS Joint Virtual Conference: Connecting the Library to the Wider World - Successful Applications of Linked Data
- 1. Forging a Pathfor Linked Open Data at DPLA Gretchen Gueguen Data Services Coordinator Digital Public Library of America
- 5. DPLA by thenumbers 8,000,000+ records 23 hubs and counting 1300+ contributing institutions
- 6. DPLA by thenumbers …3 major metadata schemas, 1 product-specific formats, 5 institution-specific formats
- 7. DPLA’s Metadata Application Profile • Originally developed between 2012 and 2013 • Based on the Europeana Data Model • Currently in version 3.1 • Undergoing update to version 4
- 8.
- 9.
- 10. Namespaces • Contentin RDF (cnt): http://www.w3.org/2011/content# • Dublin Core (dc): http://purl.org/dc/elements/1.1/ • Dublin Core Terms (dcterms): http://purl.org/dc/terms/ • DCMI Type Vocabulary (dcmitype): http://purl.org/dc/dcmitype/ • Europeana Data Model (edm): http://www.europeana.eu/schemas/edm/ • Geonames (gn): http://www.geonames.org/ontology# • Open Annotation (oa): http://www.w3.org/ns/oa# • OAI Object Reuse and Exchange (ore): http://www.openarchives.org/ore/terms/ • Resource Description Framework (rdf): http://www.w3.org/1999/02/22-rdf-syntax-ns# • RDF Schema (rdfs): http://www.w3.org/2000/01/rdf-schema# • Simple Knowledge Organization System (skos): http://www.w3.org/2004/02/skos/core# • World Geodetic System (wgs84): http://www.w3.org/2003/01/geo/wgs84_pos#
- 11. Expansion of Classes • Place • Agent • Concept
- 13. Examples of ProvidedSubjects <dc:subject>figures (representations); trees; vines</ dc:subject> <dc:subject authority=“lcsh” valueURI=“http:// id.loc.gov/authorities/subjects/sh85073038”> Korea-- History--Japanese occupations, 1910-1945</ dc:subject>
- 14. Examples in JSON-LD "subject":[ { ”providedLabel” : ”figures (representations)” }, ], "subject":[ { ”concept” : ” Korea-- History--Japanese occupations, 1910-1945” “scheme” : “http://id.loc.gov/authorities/subjects” “exactMatch” : “http://id.loc.gov/authorities/subjects/sh85073038” }, ],
- 17. Enriched data; close match Original Label
- 18. Standardized Rights Metadata • Knight Foundation-funded project to develop standardized namespace for rights metadata and a list of URIs for standard declarations
- 20. API • Nativerdf triplestore serialized into JSON-LD • Currently based on MAPv3.1 • Public website uses JSON-LD api • Also available through the API directly • Entire datastore available for download • Implementation of MAPv4 will occur in stored data, but will be mapped to MAPv3.1 for use in the API for the near future
- 23. Future Steps •Source of LOD? • Portal with LOD? • Service for adding LOD to library bibliographic records?