building blocks for the future: making controlled vocabularies available for the semantic web dr....
TRANSCRIPT
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Building Blocks for the Future: Making Controlled
Vocabularies Available for theSemantic Web
Dr. Barbara B. TillettChief, Policy & Standards Division Library of CongressFor MOUG, Feb. 8, 2011
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DBpedia
National Library of Sweden
Linked Data LCSH
VIAF
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Internet “Cloud”
Databases, Repositories
Web frontend
Services
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Internet “Cloud”
Web frontend
ServicesVIAF
Databases, Repositories
LCSH
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VIAF Objectives
Facilitate exposure of authority data Reduce cataloging costs Simplify authority control (creation
and maintenance) internationally Provide authority data in form,
language, and script users want
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VIAF
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ЧАЙКОВСКИЙ, ПЕТР ИЛЬИЧ , 1840-1893
Tchaikovsky, Peter Ilich, 1840-1893
Tschaikowski, Peter I.
Čajkovskij, Petr Il'ič
Chaikovski, P. I
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VIAF: The Virtual International Authority File
Original VIAF partners Library of Congress (LC) Deutsche Nationalbibliothek (DNB) Bibliothèque nationale de France (BnF) OCLC - host
Virtually combining the name authority files of all institutions into a single name authority service.
http://viaf.org/
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Virtual International Authority File
Matches names across 21 authority files of 18 institutions 13 million name records 10 million personas 4.5 million clusters
Based on KSY Cooperative Identities Hub, CEAL 2010-03
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• Library of Congress/NACO • Deutsche Nationalbibliothek • Bibliothèque nationale de France • National Library of Australia • National Library of the Czech Republic • Bibliotheca Alexandrina (Egypt) • Getty Research Institute • National Library of Israel • Istituto Centrale per il Catalogo Unico (Italy)
• Biblioteca National de Portugal • Biblioteca Nacional de España • National Library of Sweden • Swiss National Library • Vatican Library • NUKAT Center (Poland) • Library and Archives Canada • National Széchényi Library (Hungary) • RERO (Switzerland)
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Current StatusAvailable as linked data with
URIs (Universal Resource Identifiers)
Unicode throughoutMARC 21, UNIMARC, and RDF
supportedUsage tripled this last year
Thousands of visits daily
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Enhancing the Authorities
Bibliographic
Record
Derived Authorit
y
AuthorityRecord
Enhanced
Authority
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Mining the Bibliographic Record LDR 00638ncm a22002057a 450 1 5773347 5 19960820101947.4 8 960815s1965 oruuua n eng 10 $a 96753638 040 $a DLC $c DLC019 $a 17706440020 $c $2.95028 22 $a 48418 $b Matrix Publ. Co. 045 2 $b d198006 $b d198007048 $b va01 $b ve01 $a ka01050 00 $a M1258 $b .L100 1 $a Leigh, Mitch, $d 1928-245 14 $a The man of La Mancha / $c by Mitch Leigh & Joe Darion; arr. By Roland Barrett & Alan Keown.260 $a Springfield, OR : $b Matrix Publ. Co., $c c1965.300 $a 1 score (16 p.) ; $c 18 x 27 cm.500 $a Brief record.650 0 $a Musicals $x Excerpts.600 10 $a Leigh, Mitch $x Musical settings.700 1 $a Darion, Joe.
Authors
LC Control Number
LC ClassificationTitl
e
Material Type
Publisher
Place of Publication
Language
Date ofPublication
Usage
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Derived Authority Record
00505cz a2200157n 450 0 1 xlc 1 1 3 OCoLC 2 5 19880921165012.4 3 8 880831n|acannaab|n aaa c 4 040 $a OCoLC $b eng $c OCoLC $f viaf 5 100 1 $a Leigh, Mitch. 6 903 $a 88030979 7 910 14 $a the man of la mancha 8 921 $a matrix publ co 9 922 $a oru10 930 $a mitch leigh11 940 $a eng12 942 $a 23413 943 $a 196x14 944 $a cm15 950 1 $a darian, joe $d 1928-
All text is normalized
Subjects are grouped into
broad subject areas
Material type is coded
Publication date is by decadeCoauthor
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Enhanced Authority Record00505cz a2200157n 450 0 1 oca01144962 1 5 19880921165012.4 2 8 840702n| acannaab| |n aaa ||| 3 10 $a n 88090379 4 40 $a DLC $c DLC $d DLC 5 100 1 $a Leigh, Mitch, $d 1928- 6 670 $a the man of la mancha, c1966: $b t.p. (Mitch Leigh) 7 903 $a 84758340 $9 1 8 903 $a 93710923 $9 1 9 910 11 $a impossible dream $9 110 910 11 $a century library of music and sound by mitch leigh $9 111 921 $a matrix publ co $9 112 921 $a kapp $9 213 922 $a oru $9 214 930 $a mitch leigh $9 115 940 $a eng $9 216 942 $a 234 $9 217 943 $a 196x $9 118 943 $a 197x $9 119 944 $a cm $9 220 950 11 $a darian, joe $d 1928- $9 121 950 11 $a wasserman, dale $9 1
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Information in Bibliographic Records He writes music
His primary subject area is music He was published in the 1960s and
1970s by Matrix Publ. Co. in Oregon and Kapp in New York
Worked with Joe Darion and Dale Wasserman
Mitch Leigh is the only name he has used on his publications
Etc.
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viaf.org
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Cervantes Saavedra, Miguel de 1547Cervantes de Salazar, Francisco, ca. 1514Cervantes, 1823-1898Cervantes Juan, 1395-1458Cervantes, Ignacio, 1847-1905Cervantes, Juan de, 1382-1453Cervantès, François, 1959-Cervani, Giulio, 1919-Cervantes, María AntonietaCervantes de Haro, fl. 1908-193-
As viewed Nov. 1, 2010
cer
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Cervantes
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Cervantes
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Cervantes
Preferred Forms
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Cervantes
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Cervantes
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Cervantes
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Cervantes
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Cervantes
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Cervantes
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MA
RC
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Cervantes
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RDF
Cervantes
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VIAF and Catalogers Use as a reference tool:
To resolve conflicts, questionable dates, forms of name, etc.
Cite as source in 670 $a, for example:BNF in VIAF, Feb. 8, 2011Nat. Lib. of Australia in VIAF, Feb.
4, 2011LAC in VIAF, Feb. 3, 2011
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Next steps for VIAF Better searching More “Linked data”
Related persons as in WorldCat Identities, Wikipedia, etc.
Participants beyond librariesRights management agencies,
PublishersMuseums, Archives
More name typesCorporate and Family namesUniform titlesGeographic names… not topical terms
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SKOS
Simple Knowledge Organization System“Provides a model for expressing
the basic structure and content of concept schemes such as thesauri, classification schemes, subject heading lists, taxonomies, folksonomies, and other similar types of controlled vocabulary”—SKOS Primer
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SKOS
Based on the Resource Description Framework (RDF)Resources can be exchanged
between software applications and published on the Web
Interconnects data on the Web, helping create the Semantic Web
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id.loc.gov/authorities
“Authorities & Vocabularies” from the Library of Congress
Intent: To provide human and programmatic access to commonly found standards and vocabularies developed by LC
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“Authorities & Vocabularies”LCSH was the first offering
Subject headingsGenre/form headingsChildren’s subject headingsSubdivision recordsValidation records
Provides links from LCSH headings to RAMEAU headingsExploring Répertoire de
vedettes-matière (RVM) and others
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“Authorities & Vocabularies”Also includes:
Thesaurus for Graphic Materials (TGM)
MARC geographic area codes
MARC language codesMARC relator codesPreservation Events … etc.
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“Authorities & Vocabularies”
BenefitsServers can download entire controlled vocabularies and the values within them, in multiple formats
Available for free on the Web
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“Authorities & Vocabularies”
Human end-users can Search and view individual headings and data elements Details of the recordVisualization
Suggest additions, changes
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URI for specific LCSH records/ concepts:id.loc.gov/authorities/[LCCN]id.loc.gov/authorities/sh8508803
“Authorities & Vocabularies”
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Contact informationContent of site: Libby Dechman, [email protected] questions: Larry Dixson, [email protected]
“Authorities & Vocabularies”
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A comment form and discussion list are available at
“Authorities & Vocabularies”
http://id.loc.gov/authorities/contact.html
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RDA Controlled Vocabularies - Registries
Free on the Web at Open Metadata Registry
http://metadataregistry.org/schema/list.html
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http://metadataregistry.org/rdabrowse.htm
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Carrier type
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URI
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RDA Carrier Types
URI
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RDA Linked Data
Don Quixote
Madrid, 1979
English
Spanish
French
German
Cervantes
Library of CongressCopy 1Green leather binding
Exemplary novels
Wasserman
The Man of La Mancha
Text
Movies…
Derivative
works
Subject
created
created created
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RDA Linked Terms for Languages
Don Quijote
Madrid, 1979
Inglés
Español
Francés
Alemán
Cervantes
Library of CongressCopia 1Encuadernación en piel color verde
Novelas Ejemplares
Wasserman
The Man of La Mancha
Texto
Películas …
Obras
derivadas
Mater
ias
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Internet “Cloud”
Web frontend
ServicesVIAF
Databases, Repositories
LCSH
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iPhone apps to connect to libraries via WorldCat (OCLC)
Pic2shop apphttp://www.youtube.com/watch
?v=MHiuaDXipWQ
RedLaser apphttp://www.youtube.com/watch
?v=fDv1cAYR5wc&feature=related
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