rda in a linked data world gordon dunsire presented at cilip rda: resource description and access...
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RDA in a linked data world
Gordon DunsirePresented at CILIP RDA: Resource Description and Access Executive Briefing 2014, 12 June
2014, London
Overview
Linked data 101RDA entities and relationshipsRDA and linked data
Item is Personby
purchasedowned
autographed
borroweddonated
photocopiedconserved
Linked data links 2 specific thingsOf interest toLibrariesArchivesMuseums
Of interest toPublishers
Booksellers
The CrowdThe Cloud
Of interest to
Semantic Web
Person is Itemof
purchaserowner
autographer
borrowerdonor
photocopierconserver
Linked data goes both ways
Entity Entityrelationship
Person is Itemof
purchaserowner
autographer
borrowerdonor
photocopierconserver
Linked data needs identitiesWhich person? Which item?“Jane Smith,the author of‘Paper’, OUP, 2001”
“The one inthe Reference
section”
“Smith, Jane, 1975-” “0123-456-789”
UniformResourceIdentifier
{URI} {URI}
For humans{URI}
For machinesGlobal
RDA entities
Based on modern international modelsWork, Expression, Manifestation, Item, Person, Corporate
Body (FRBR)Family (FRAD)
Work-Expression-Manifestation-Item are discrete components of a resource. This avoids duplication of dataE.g. Work creator and Expression language are linked to,
not copied in, multiple Manifestation descriptions such as a printed book and e-book
Corporate Body
Person
Family
FRBR/FRAD EntitiesDistinctWork
Expression
Manifestation
Item
Agent
One andonly one
One ormore
Primary/high-level relationships
Complexity of relationships: Moby Dick
Ronald J. Murray: From Moby Dick to mash-upshttp://www.slideshare.net/RonMurray/from-mobydick-to-mashups
Printed editions
“OrsonWhales” mash-up (YouTube)
Diagram using FRBR entities and relationships
Films?
Gregory Peck?
Captain Ahab?
Led Zeppelin?
Whales in fiction?
Corporate Body
Person
Family
RDA Entity relationshipsWork
Expression
Manifestation
Item pov: Description -> Access
Corporate Body
Person
Family
Work
Expression
Manifestation
Item
pov: Access -> Item
Usercontent
rdaregistry.info
Web view of RDA elements (for humans)
Open Metadata Registry: http://metadataregistry.org
Machine view of RDA elements
RDA Entity Relationships To link To textWork 235 200 35Expression 235 190 45Manifestation 210 50 160Item 50 40 10Agent 225 175 50
RDA and linked data
A set of linkable entities rich enough to represent the complexity of and support access to global cultural heritage content.
A set of textual relationships rich enough to describe all types of content and carrier.
*Totals areapproximate
