1. Anila Angjeli 1 APARSEN - Interoperability of PI workshop, iPRES, Lisbon, 5 September 2013 VIAF and Member of the Board of directors of ISNI-IA

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. Libraries Text Rights Music Rights Trade Sources Encyclopaedias Researchers & Professional cross-domain bridging-domains

4. Figures + % confidence - % confidence Assigned ISNIs to VIAF July 2013 2 + independent sources2,496,141 3+ VIAF sources656,976 Unique name2,643,958 Total 5,797,075 Provisional: Unassigned 9,563,590 Provisional: Possible 580,738 Assigned 6.87 million Number of data contributors VIAF39 Others25 Total (in permanent growth) 64 Cross links among sources through local IDs Over7,6 million

5. Governance & control infrastructure 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 Member enduser database

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. differences – commonalities - complementarity

8. Interest forinteroperability VIAF – ISNI Interest for interoperability VIAF – ISNI Areas of interest Same referent (semantic) Communities of users sharing interests Same user operating in multiple communities 8

9. VIAF-ISNI inter Monthly updates  Monthly updates ISNI s  ISNI s  Reprocessing after notification Error notifications  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. Linked 10 External Link

11. in BnF Catalog a library use case Workflows with publishers (Legal deposit) Bibliographic and authority products Out of commerce works Research and discovery Other uses… 11

12. Thank you! anila.angjeli@bnf.fr anila.angjeli@bnf.fr