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Janifer Gatenby. EMEA Program Manager Metadata OCLC. VIAF Council Meeting Singapore 2013-08-16. Interoperability. VIAF and ISNI. Music Rights. Text Rights. Trade Sources. Encyclopaedias. Libraries. Researchers & Professional. Assigned 6.87 million. Provisional: Possible 580,738.

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Presentation Transcript
Interoperability

JaniferGatenby

EMEA Program Manager MetadataOCLC

VIAF Council Meeting

Singapore 2013-08-16

Interoperability

VIAF and ISNI


Music Rights

Text Rights

Trade Sources

Encyclopaedias

Libraries

Researchers & Professional


Assigned

6.87 million

Provisional: Possible

580,738

Provisional: Unassigned

9,563,590



Links from Current Non-VIAF sources to VIAF clusters

VIAF source links to ISNI = > 7.3 million


Viaf and isni are complementary
VIAF and ISNI are Complementary

ISNI Scope

  • Persons

    • + musicians, researchers

  • Organisations

  • (excluding sparse)

  • (excluding undifferentiated)

  • Includes private data

VIAF Scope

  • Persons

  • Organisations

  • Works / uniform titles

  • Expressions

  • Meetings

  • Geographic

  • All public data


Viaf and isni are complementary1
VIAF and ISNI are Complementary

ISNI Role

  • Create permanent IDs

    • By batch

    • On demand

  • Diffuse those IDs

    • Libraries, trade, rights management, professional societies, education

VIAF Role

  • Ingest authority records from the world’s major national and research libraries

  • Make clusters

  • Expose and diffuse


Viaf and isni are complementary2
VIAF and ISNI are Complementary

ISNI System

  • Batch load

  • Online request API

  • Web site (English only)

    • Allows end user input

    • Member input and correction

    • 16+ indexes

  • SRU; soon linked data

  • Quality Team monitoring & correcting

  • Diffusion, including corrections

VIAF System

  • Harvester

  • Clustering mechanism

  • Web site (5 interface languages)

  • Download in multiple formats

  • Linked data & SRU

  • 1 million personal visitors p.a.


Isni quality team
ISNI Quality Team

  • Samples data regularly

    • c. 2% VIAF clusters have mixed identities

    • Duplicate clusters are higher, nearer 5%

  • Makes corrections at cluster level

    • Merges, splits, error notifications

    • Access to cataloguing client / macros

  • Makes system recommendations

  • Gives approval for single source assignment

  • Responds to End User input


  • Example record fixed by QT

  • 3 VIAF records merged

  • ISNI sources British Library Sound Archive, MusicBrainz

  • notice instruments, performances



Duplicate clusters
Duplicate clusters

  • Cause duplicate ISNI assignment

    • Where both clusters have more than 3 VIAF sources

    • Where an ISNI source matches with a single or 2 source VIAF record

    • (Where VIAF sources move between the clusters)

  • ISNI as a VIAF source will help VIAF merge clusters where ISNI QT has manually merged them (2,444)

  • ISNI has flagged 481,766 VIAF records as possible duplicates


Titles of other identities

Vocabulaire anglais-français, français-anglais, de terminologie économique et juridique

IlPiemontevisto da uninglese

Italia, ItaliaThe politics of the VaticanThe Pope'sdivisions : the Roman CatholicChurchtoday

La notte comincia ancora una volta



Undifferentiated identities
Undifferentiated Identities

  • Signalled by ISNI Quality Team

    • Most cases encountered now are due to source data

  • ISNI QT would like to notify VIAF sources directly

  • VIAF is currently notified by a field in the ISNI record; notifications indicate if a cluster error or a source error


Public identities versus persons
Public Identities versus Persons

  • ISNI is assigned to public identities. Pseudonyms = different identities; but related

  • VIAF sources- some treat as name variants, some as related names

  • ISNI suite of programs

    • Converts pseudonym name variants to related names

    • Flags records with dissimilar main names

    • Links and protects


Viaf isni task force
VIAF ISNI Task Force

  • Policy on pseudonyms

  • Study notification work flows

    • How to remove record protect flags

  • Participate in cluster sampling in VIAF and ISNI

  • Help define new anomaly detectors

    • ISNI has dissimilar main name / publishing before age 9, life span greater than 120 years


NUKAT 99036027

record for Thomas Meier (1953-)

-2 erroneoustitles-

New NUCAT authority record for Thomas Meier 1966

Titlesbelong to

VIAF cluster 267789223

VIAF cluster 12431062

ISNI 0000 0003 9867 7425

Thomas Meier (1953-)

ISNI 0000 0004 0034 1112

Thomas Meier 1966-

Actions by ISNI

  • ISNI QT to delete the titlesfrom the ISNI record

Actions by ISNI

  • ISNI QT adds the 2 titles to this ISNI record

  • Notification to VIAF (977)

  • Notification to VIAF and directly to the contributor (977)

VIAF cluster 12431062

(with ISNI in the cluster)

NUKAT

NUKAT deletes the 2 titles and creates a new authority record for Thomas Meier 1966

This new NUKAT record matches with the VIAF cluster for Thomas Meier 1966-

on the 2 titlesadded by ISNI

VIAF cluster 267789223

Without the 2 titles for Thomas Meier 1966


Viaf sources
VIAF sources

  • Flag undifferentiated records

    • e.g. those generated by programs comparing authority and bibliographic name strings

  • Respond to ISNI notifications

    • correct “home” data

  • As ISNI Members:

  • Control “own identities” in VIAF and ISNI

    • * Check possible matches and suspect records on ISNI

  • Use ISNI for direct maintenance of clusters

    • * Will generate notifications to VIAF and VIAF sources


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