dutch culture link - version 2
DESCRIPTION
Presented at VLENGEL, Leiden, November 2010TRANSCRIPT
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University library
Dutch Culture LinkLukas KosterLibrary Systems CoordinatorLibrary of the University of [email protected] http://twitter.com/lukask
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Linked data?
1. Use URIs as names for things2. Use HTTP URIs so that people can look up those
names.3. When someone looks up a URI, provide useful
information, using the standards (RDF*, SPARQL)4. Include links to other URIs, so that they can discover
more things.
Tim Berners LeeDesign issueshttp://www.w3.org/DesignIssues/LinkedData.html
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Linked data!
Linked Data is a methodology for providing relationships between things (data, concepts
and documents) anywhere on the web, using URI’s for identifying, RDF for describing HTTP for publishing these things and relationships, in a way that they can be interpreted and used by
humans and software.
http://commonplace.net/2009/06/linked-data-for-libraries/
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Data is relationships
Triples subject-predicate-object a person (subject) is the
author of (predicate) a book (object)
a book (subject) is about (predicate) a person (object)
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Relationships?
Entity Relationship Diagram
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
On the web
Relationships
Not internal, within same database silo
External, with all kinds of web sources
“Things” identified by URIs
Relationships too!
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Vocabularies (Ontologies)DatamodellenRDF – Resource Description Framework
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Content negotiation
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The Linked Open Data Project - partners
DEN – Digital Heritage Foundation of The Netherlands
Digital standards for heritage institutions
Promoting linked open data: museums, etc.
Simple guidelines UBA – Library of the University of
Amsterdam TIN – Theater Institute of The
Netherlands
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The Linked Open Data Project - Objectives
Set an example Proof of concept Pilot Convince heritage institutions Convince TIN, UBA management
Dutch Culture Link
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The Linked Open Data Project – 2 viewpoints
Publish
Use
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The TIN Collection
Theater performances Metadata Digital objects
Audio
Video
Images
Photos
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The UBA OPAC
Metadata Bibliographic MARC
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The TIN Collection Data model
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
The TIN Collection Data model
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
FRBR?
Work Expression Manifestation Item
Play Production Production Performance
(translation?)
Play Translation Edition Copy
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Questions….
Which vocabulary/ontology? How to implement RDF? How to format URIs? Which tools, techniques, languages? How to find/get published linked data? How to process retrieved linked data?
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Training
Lots of sites, tutorials on line Training: no money DANS Linked Open Data workshop
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Quick and dirty
TIN
URIs for data entities
JSON UBA
JavaScript: construct TIN URI
Process JSON
Present data in record
AGILE!
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
TIN
URI <base-url>/person/<personname>
<base-url>/play/<personname>/<title>
<base-url>/production/<personname>/<title>/<opening>
<base-url>/performance/<personname>/<title>/<opening>/<datetime>
…
Ad Aerts
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
TIN – URI + JSON Example
<base-url>/person/Beckett, Samuel
jsonTIN({"key":"beckett, samuel","name":"Beckett, Samuel","birth.country":"Ierland","birth.date":" 1906*","birth.place":"Foxrock","death.date":"1989-12-22","death.place":"Parijs"})
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
UBA OPAC
<base-url>/person/Beckett, Samuel
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
UBA – JavaScript: create URIRoxana Popistaşu
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
UBA – JavaScript: process JSON
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
UBA OPAC results
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Is this linked data?
Not yet……
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Next steps - TIN
Vocabulary for Production/Performance subject area Vocabularies for Persons (FOAF?), Subjects (SKOS?) RDF in JSON (internal relationships) Publish RDF/XML More URIs External links Content negotiation Add digital objects
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Next steps - UBA
More “search” fields (Title) Extend presentation
Include relations
Clickable
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
TIN – Extra URIs: person + plays(productions?)
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
TIN – Extra URIs: productions
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
TIN – Extra URIs: specific production
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Finally
Reverse stuff Publish UBA
bibliographic metadata
as linked data
Get UBA linked data
into TIN results
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22 november, 2010 Dutch Culture Link - Lukas Koster
University library
Issues
Use generic, really unique URIs Person: id’s (VIAF?)
Plays: id’s?
Central mapping authority UBA OPAC person (OCLC PPN) = TIN person
Digital material Copyright