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The world’s libraries. Connected. VIAF & ISNI Virtual International Authority File (VIAF) & International Standard Name Identifier (ISNI) by Titia van der Werf Tutorial Wednesday, 8 May, 2013 COAR 4th Annual Meeting, Istanbul

Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

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Tutorial presented at the COAR 4th Annual Meeting, 8 May 2013, Istanbul, Turkey

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Page 1: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

VIAF & ISNI

Virtual International Authority File (VIAF)

&

International Standard Name Identifier (ISNI)

by Titia van der Werf

Tutorial

Wednesday, 8 May, 2013

COAR 4th Annual Meeting, Istanbul

Page 2: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Persistent identifiers: basics

Identifier properties:

• Unique => dependency = system/namespace

• Persistent => dependency = organisational commitment

Best practice: identifiers should be independent of location/addresses:

• In the library: call number & shelf number

• On the web: URN & URL

Page 3: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Authority control

And many more names…• Collective authors• Pseudonyms• Imaginary characters• Deities, saints, angels• Whales, horses, dinosaurs• Buildings• Ships, telescopes, space ships, missiles• Kings, Popes, Presidents• Cities, lakes, mountains

Page 4: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Authority record = name identifier

For each name, the cataloguer assigns a unique term (header) which is used consistently,

uniquely, and unambiguously within the library catalogue to describe all references to that same

name

Page 5: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Example of an authority record in MARC

Page 6: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

National Authority File Programs

Participating institutions contribute authority records according to a common set of standards and guidelines.

• USA: NACO operated by LC

• NL: NTA operated by OCLC

• DE: Personennamendatei, PND (incl. in the Gemeinsame Normdatei) – operated by the DNB

• FR: Authority Data for Persons – operated by BnF and idRef operated by ABES

• etc.

Page 7: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Issues when aggregating different authority files in one system

In WorldCat:

• duplication of authority control

• differences in national/regional authority control practices

=> No unique and unambiguous referencing

=> Need to link up the different authority files

Page 8: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

VIAF

What is VIAF?• Merge of 24+ national level authority files• Cooperative program run by OCLC

with the VIAF Council• 29 million authority records• 112 million bibliographic records

• Migrated from an OCLC Research project to an OCLC service in 2012

Page 9: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

VIAF

Authorities in a connected world

Beyond the catalogue

Towards web-accessible identification of names

Page 10: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

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From control in library systems to a trusted source in a world of linked data

http://www.w3.org/DesignIssues/diagrams/lod/2010-color.png

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WorldCat Identities

A web page for every name

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Page 19: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

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ISNI

Founded in 2010 by: • International Confederation of Societies of Authors and

Composers (CISAC),

• The International Federation of Reproduction Rights Organisations (IFRRO),

• International Performers Database Association (IPDA),

• ProQuest,

• OCLC,

• The Conference of European National Librarians.

Page 20: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

ISNI

• Administred and governed by: ISNI International Agency

• Operated by: OCLC (official assignment agency)

Approach:

1.Creating the initial ISNI database

2.Establishing a system of registration agencies

Page 21: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Populating the ISNI database

• Allocation of ISNIs to the vast legacy of identities already managed in separate data silos in different domains of activity throughout the information industry

• Base file for ISNI = VIAF (public domain/library data)

• Proprietary databases of ISNI-IA members

Page 22: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

Populating the ISNI database

ISNI stats March 2013

• Total nr of records: 16.4M

• Assigned records: 6.4M

• Next file to be loaded: ZETOC with 97M bibl. Records

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Page 24: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

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Page 25: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

The world’s libraries. Connected.

ORCID – VIAF - ISNI

• ORCID is an instance of ISNI: targeted to reseachers (ISNI also supports other types of creators)

• The base source for ISNI is VIAF

• VIAF is an effort on the background to clean-up and link-up all authority files of names maintained by libraries and to make this data available for re-use – eg. for researcher identification.

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Syndication / discovery

Page 27: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

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Syndication/discovery

• CRIS/IR and authority control perspectives are researcher/university and library perspectives - not end-user perspectives

• How will users find researchers in the places where they search for persons: in Google and social media networks?

• How can researcher-ids contribute to discovery on those environments?

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Syndication/discovery

• Make sure upstream data sources are correct: VIAF feeds into FreeBase and Wikipedia.

• Open up the data sources: data sources are mostly closed

• Support semantic markup schemes used by Google, Facebook, etc. (schema.org; the open graph protocol...)

Page 32: Virtual International Authority File (VIAF) and International Standard Name Identifier (ISNI)

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Questions?

Titia van der [email protected]