Download - Linked Data: What’s the Story?
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The world’s libraries. Connected.
Roy Tennant
Senior Program Officer, Research
Linked Data:
What’s the Story?
Slides contributed by Bruce Washburn,Richard Wallis Karen Smith-Yoshimura, Dan Benson, and Mike Teets
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The world’s libraries. Connected.Photo by Li Chen, https://www.flickr.com/photos/yiie/, CC BY 2.0 Generic License
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Photo by Pilot Theatre, https://www.flickr.com/photos/pilottheatre/, CC BY SA 2.0
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The world’s libraries. Connected.
The Canonical Entity (of the past)
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The world’s libraries. Connected.
The Canonical Entity (of the present)
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The world’s libraries. Connected.
• A collection of statements…
• Taken from the piece itself…
• Sometimes “enhanced” with inferred parentheticals (e.g., [1975] )…
• Or additional statements not on the piece (e.g., subject headings)
• Mostly uncontrolled and only loosely connected to anything else
Classic Bib Record
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The world’s libraries. Connected.
The Problem
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The world’s libraries. Connected.
• Identification Problems:• “The Hamlet Problem” (titles aren’t enough)
• “The Wang/Li/Zhang Problem” (names aren’t enough)
• Linkage Problems:• “The Web Problem” (records aren’t enough, you need links)
• “The Language Problem” (surfacing the right translation for a given user is still a problem)
• Quality Problems:• Strings are not controlled terms; often, they cannot be turned into them
Actually, A Number of Problems
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
The Solution
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The world’s libraries. Connected.
First, define ALL THE THINGS
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entity/ˈɛntɪti/noun
a thing with distinct and independent existence.
relationship/rɪˈleɪʃ(ə)nʃɪp/noun
the way in which two or more people or things are connected
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RecordTitle: "War and Peace"Author: "Leo Tolstoy 1828-1910"ISBN: 0307266931
Type: WorkName: "War and Peace"Author: http://worldcat.org/entity/person/id/1234
Entity (http://worldcat.org/entity/work/id/115206288)
Type: PersonName: "Leo Tolstoy "Born: 1828Died: 1910Birthplace: http://worldcat.org/entity/place/id/8976
Entity (http://worldcat.org/entity/person/id/1234)
Type: PlaceName: "Yasnaya Polyana"SameAs: http://geonames.org/468686
Entity (http://worldcat.org/entity/place/id/8976)
⤵
⤵
⟶
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The world’s libraries. Connected.
From records to entities: Works
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The world’s libraries. Connected.
Entities of Core Concepts
person place
object concept
organization work
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The world’s libraries. Connected.
Establishing Relationships Between Entities
person place
object concept
organization work
author
subjectitemavailability
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The world’s libraries. Connected.
Using authoritative sources whenever possible
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The world’s libraries. Connected.
And hookingup with otherdata sources
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The world’s libraries. Connected.
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The world’s libraries. Connected.
OCLC Production Services
External OCLC Research Systems
Internal OCLC Research Resources
enhancedWorldCat
WORKS
Kindred Works
Classify
Identities
FictionFinder
Cookbook Finder
LCSH
FAST
VIAF
GMGPC
GSAFD
GTT
DDC
LCTGMMeSH
Linked Data Entities
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The world’s libraries. Connected.
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The world’s libraries. Connected.
The Workinator
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The world’s libraries. Connected.
Some outcomes
WorldCat Catalog:15 billion triples
WorldCat Works: 5 billion RDF triples
DDC:300 million
triples
VIAF: 2 billion triples
FAST:23 Million
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The world’s libraries. Connected.
OK…but so what?
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The world’s libraries. Connected.
Cataloging
Integration with the web
Cascading updates More options
Intuitive searching
Benefits for all library workflows
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Improving Discovery
The Name of the RoseThe Name of the Rose
Summary: The year is 1327. Franciscans in a wealthy Italian abbey are suspected of heresy, and Brother William of Baskerville arrives to investigate. His delicate mission is suddenly overshadowed by seven bizarre deaths that take place in seven days and nights of apocalyptic terror.
Subjects
Borrowing Options
eBooks | Printed Books | Audio Books
Other Languages
Monastic libraries -- Italy – Fiction | Semiotics -- Fiction
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Embedding Authority Control
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The world’s libraries. Connected.
Improving Cataloging
• Improve data quality• Cascading updates
• A new approach to cataloging:
• Point and click cataloging
• Managing entities instead of managing records
• Consistent with RDA
Photo by https://www.flickr.com/photos/97741188@N04/, CC BY 2.0
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The world’s libraries. Connected.
Title: Journey to the WestLanguage: EnglishTranslator: Anthony C. YuDate: 1977IsTranslationOf:
Title: Journey to the WestLanguage: EnglishTranslator: Anthony C. YuDate: 1977IsTranslationOf:
Title: 西遊記Language: ChineseAuthor: 吳承恩Created: 1592HasTranslation:
Title: 西遊記Language: ChineseAuthor: 吳承恩Created: 1592HasTranslation:
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The world’s libraries. Connected.
Title: Journey to the WestLanguage: EnglishTranslator: Anthony C. YuDate: 1977IsTranslationOf:
Title: Journey to the WestLanguage: EnglishTranslator: Anthony C. YuDate: 1977IsTranslationOf:
Title: Journey to the WestLanguage: EnglishTranslator: W. J. F. JennerDate: 1982-1984IsTranslationOf:
Title: Journey to the WestLanguage: EnglishTranslator: W. J. F. JennerDate: 1982-1984IsTranslationOf:
Title: 西遊記Language: ChineseAuthor: 吳承恩Created: 1592HasTranslation:
Title: 西遊記Language: ChineseAuthor: 吳承恩Created: 1592HasTranslation:
Title: Tay du ky binh khaoLanguage: VietnameseTranslator: Phan QuanDate: 1980IsTranslationOf:
Title: Tay du ky binh khaoLanguage: VietnameseTranslator: Phan QuanDate: 1980IsTranslationOf:
Title: 西遊記Language: JapaneseTranslator: 中野美代子Date: 1986IsTranslationOf:
Title: 西遊記Language: JapaneseTranslator: 中野美代子Date: 1986IsTranslationOf:
Title: PilgerfahrtLanguage: GermanTranslator: Georgette Boner Date: 1983IsTranslationOf:
Title: PilgerfahrtLanguage: GermanTranslator: Georgette Boner Date: 1983IsTranslationOf:
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The world’s libraries. Connected.
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The world’s libraries. Connected.
The contents of the 245 $h
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The world’s libraries. Connected.
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The world’s libraries. Connected.
Monthly Unique Visitors
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The world’s libraries. Connected.
• Requires a new kind of thinking: “sets of assertions about something” NOT a “record”
• Assertions about an item can be dynamic
• Authority control is built-in
• Requires much more than simply translating a record from MARC to a new format
It’s Not the Record, It’s the Linkage
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The world’s libraries. Connected.
For more information
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The world’s libraries. Connected.
Roy Tennant
roytennant.com
@rtennant
facebook.com/roytennant/
Thank You!