Anila Angjeli
1APARSEN - Interoperability of PI workshop, iPRES, Lisbon, 5 September 2013
VIAF
and
Member of the Board of ...
VIAF
• Merge of 32+ national level authority files
• 34 + million authority records
• 103 + million bibliographic records
...
Libraries
Text Rights
Music RightsTrade Sources
Encyclopaedias
Researchers & Professional
cross-domain bridging-domains
Figures
+ % confidence
- % confidence
Assigned ISNIs to VIAF July 2013
2 + independent sources 2,496,141
3+ VIAF sources 6...
Governance & control infrastructure
ISNI-IA
ISO Registration Authority
(the governing body)
Quality Team
libraries
data
IS...
• Samples data regularly
– c. 2% VIAF clusters have mixed identities
– Duplicate clusters are higher, nearer 5%
• Makes co...
Domain Cross-domain identities Authority files +
Main
purpose
Certified ID
(unique, persistent, international,
cross-domai...
Interest for interoperability
VIAF – ISNI
Areas of interest
• Same referent (semantic)
• Communities of users sharing inte...
VIAF-ISNI inter
 Monthly updates
 ISNIsReprocessing
after notification
 Error notifications
Quality Team
Quality
cont...
Linked
10
External Link
Thank you!
anila.angjeli@bnf.fr
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Anila Angjeli. "ISNI & VIAF" Presentation at the Workshop on Persistent Identifiers, iPRES conference, Lisbon, 5 September 2013

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Relations between ISNI (International Standard Name Identifier) and VIAF (Virtual International Authority File). Differences, commonalities and complementarity. Interoperation between the two systems. How ISNI consolidates identification of public identities and contributes to linking data across domains.

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  • Web interface for error reporting, enriching, detecting duplicates for data contributorsWeb interface for public Client for full maintenance including streamlined procedures* for Quality TeamNotifications to data contributorsData Sampling*Data Anomaly checks (dates, pseudonyms)*Fixes to incoming data (pre and post load)*Data enrichment to increase matching (Dewey)*
  • Anila Angjeli. "ISNI & VIAF" Presentation at the Workshop on Persistent Identifiers, iPRES conference, Lisbon, 5 September 2013

    1. 1. Anila Angjeli 1APARSEN - Interoperability of PI workshop, iPRES, Lisbon, 5 September 2013 VIAF and Member of the Board of directors of ISNI-IA
    2. 2. VIAF • Merge of 32+ national level authority files • 34 + million authority records • 103 + million bibliographic records • 23 + million merged clusters Persons, organizations, meetings, geographic names, works and expressions though young (less than 10 years) … from VIAF to ISNI
    3. 3. Libraries Text Rights Music RightsTrade Sources Encyclopaedias Researchers & Professional cross-domain bridging-domains
    4. 4. Figures + % confidence - % confidence Assigned ISNIs to VIAF July 2013 2 + independent sources 2,496,141 3+ VIAF sources 656,976 Unique name 2,643,958 Total 5,797,075 Provisional: Unassigned 9,563,590 Provisional: Possible 580,738 Assigned 6.87 million Number of data contributors VIAF 39 Others 25 Total (in permanent growth) 64 Cross links among sources through local IDs Over 7,6 million
    5. 5. Governance & control infrastructure ISNI-IA ISO Registration Authority (the governing body) Quality Team libraries data ISNI-AA Assignment Agency (manages the central database) Registration Agency Registration Agency Registration Agency Registration Agency Registration Agency Member Member Member enduser enduser database
    6. 6. • 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 ISNI Quality Team
    7. 7. Domain Cross-domain identities Authority files + Main purpose Certified ID (unique, persistent, international, cross-domain) 27729 Clustering, federating authority files for reuse (initially not an ID system) ID degree of persistency Permanent As persistent as possible Referent PublicIdentities  Persons  Organizations  Fictional Authority  Persons  Organizations  Meetings, Works/Expr, Geog Data privacy Includes private data (not disclosed to public) All public data Assignment principles Matching authoritative data sources  No sparse records  No undifferentiated identities Matching authority files Management Centrally managed Quality Team (BnF+BL) Maintenance of source authority files in the contributing databases Links Among source data, Titles of works, Related identities, Wikipedia, Other encycl sources  VIAF Among source files, Wikipedia,  ISNI Linked data Soon Yes differences – commonalities - complementarity
    8. 8. Interest for interoperability VIAF – ISNI Areas of interest • Same referent (semantic) • Communities of users sharing interests • Same user operating in multiple communities 8
    9. 9. VIAF-ISNI inter  Monthly updates  ISNIsReprocessing after notification  Error notifications Quality Team Quality control matching Assignment Error detection Reminder: VIAF  seed database for ISNI VIAF-ISNI Task Force Policy on pseudonyms  Study notification work flows Participate in cluster sampling in VIAF and ISNI  Help define new anomaly detectors, etc -relationship -operability
    10. 10. Linked 10 External Link
    11. 11. Thank you! anila.angjeli@bnf.fr
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