Download - Digital Author Identification
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Digital Author IdentificationUKSG 17 – 18 april 2007
Daniel van Spanje
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DAI in DARE
• DARE: Digital Academic REpositories
– Universities + KNAW + NWO + KB– Infrastructure for linking the IR– Stimulate production of digital scientific
output– 2003 – 2006
• 2007 – 2010: SURFshare
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Main issues in DAI
• Unique identifying number for researchers / authors
• National scale
• Benefits:– Improve searching for electronic publications– Integrate searching for electronic and non-
electronic publications– Link Library (Catalogue) and research
environment (Metis)
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Two projects
• Pilot in 2005 – 2006– one university: Groningen
• Roll-out 2006 - 2007– 13 academic research organizations
• Project leader: Anneloes Degenaar
• DAI website at University of Groningen:– http://dai.weblog.ub.rug.nl/– http://dai-uitrol.ub.rug.nl/
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Organizations involved in DAI• 13 universities + CWI + KNAW
• SURF
• UCI
• OCLC PICA
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Systems involved
• Institutional repository / DAREnet
• Metis
• Dutch Union Catalogue (NCC/PiCarta)
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Institutional Repositories /
DAREnet
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Institutional Repositories /
DAREnet
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METIS
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METIS
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METIS
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National Union Catalogue
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Shared Cataloguing
System (GGC)
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Shared Cataloguing
System (GGC)
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Names and other issues• Authors with the same name• Use of one or more initials• Changing names • Spelling variants• Diacritics• Pseudonymes • Name in religion• Nicknames• Collective names• Different structure of names in other languages and
cultures• …..
• Discussions on standardization and unification started in the Netherlands in the Orion project (2003-2004)
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Proposed solution
• Need established
• “External”Requirements:– use existing mechanisms– local management – national function
• Solution: use “collocation” mechanism of libraries and Metis as source
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Cataloguing and Metis
Cataloguing Metis
GGC RepositoryNTA
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Use authority records (NTA) in Metis
Metis
GGC Repository
NTA
Cataloguing
CWI
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How did we link
• Mechanisms– Initial load per organization
– Online input buttons (webtemplates)
– XML output
– Synchronization mechanisms
• Requirements– No overwrite of library data!
– Deduplication (Matching/merging)
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Datamodel developed
• Datamodel copied from bibliographic model: three levels
• Metis name-information added to library data; no overwrite
• Affiliations and other fields added
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Structure of bibliographic data
Bibliographic metadata YoP / LoP / / Title / Author
Imprint / LCSH / DDC
Groningen bibdat:Subject headings
Amsterdam bibdatSubject headings
Copy level: •Location•holding•shelfnumber
Copy level: •Location•holding•shelfnumber
Copy level: •Location•holding•shelfnumber
Copy level: •Location•holding•shelfnumber
Linked Authorityrecord
genera
llo
cal
copy
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Structure of authority data
Thesaurusrecord Name of authorVariant names
Groningen data(Metis name)
Amsterdam data(Metis name)
Affiliation•Begin•End
Affiliation •Begin•End
Affiliation•Begin•End
Affiliation •Begin•End
Linked Authorityrecord
Libra
ry
reco
rdM
etis
Affi
liatio
n
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Example authority record + added
fields
Library data
Metis Researcher Name
Affiliation data
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Example authority record + added
fields
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Datamodel: fieldsAuthority file• Nationality• Language• Name (best known)• Name (most complete)• Maiden name• Name variants• Date of birth • Date of death• Profession / subject• Link to pseudonyms• notes• Entry date• Update date
• Note: proper name field includes subfields for first name, middle name, last name, prefix, suffix
Added fields
• Local researcher number• Metis name (preferred)• Metis name• Sex
• Code organisation• Name organisation• Start date employment• Enddate employment• Code function• Description of function• Code of employment• Notes• Entry date• Update date
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Initial loadMetis makes list of names
Manual dedup of list
Dedup in Metis
Make Metis export
Format conversion
Load B-records (? Duplicates?)
Export DAI’s to Metis
Manual dedup by library staff
Load DAI in Metis
Load new names(not found)
Merge names with names found
Match names with auth file
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Initial load
• Data enrichment in Metis• Export from Metis• Conversion to cataloguing system• Matching• Merging: merge / new / B-record
• Results depend on quality metadata– 95 % automatic / 5% manual– 70% automatic/ 30 % manual.– 50 % automatic / 50 % manual
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Online process• DAI-button in Metis to create DAI-number
• Export DAI-button in NTA/Cataloguingsystem to Metis
• DAI-button in IR to create DAI-number
• Separate DAI-http-request for online input
• Online input via current cataloguing tool
• + Offline synchronization mechanisms between Metis and NTA
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DAI-button in Metis
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URL link instead of button
• http://www.pica.nl/dai/dai_redirect.php?action=maak_dai&user=<usernumber>&metis_export_url=http://oras.service.rug.nl:1111/metisdad&p_onderzoekernummer=00033&p_naam_medewerker=Rotteveel&p_voorletter=R&p_voorvoegsel=&p_titulatuur=&p_voorkeur=J&p_geslacht=M&p_geboortedatum=01-07-1974&p_code_functie=20&p_functie=Universitair%20hoofddocent&p_code_organisatie=22020200&p_organisatie_a=Medical%20Microbiology&p_begin_aanstelling=01-01-2005&p_einde_aanstelling=01-01-2006
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Input form for Metis fields
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Results of the DAI project
• Now:– 50% of the researchers have a DAI– Procedure for initial load in place– Start with online procedure – P rivacy statement
• Autumn 2007– Online procedure in place– Procedure for synchronization in place– 100% of the researchers will have a DAI in 2007 (ca.
40.000)
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Things to do
• Finalize the roll-out, develop services (passport …) and implement a usergroup
• Add DAI in metadatastandards (DCX, MODS)
• International standardisation: ISPI
• Involve authors for controll and updating
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Concluding remark
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• Thanks