Prague 24 November TEL-ME-MOR/M-CAST Seminar on Subject Access The Virtual International Authority File (VIAF) Christel Hengel

Prague 24 November Functional requirements for authority data FRAD Work Expression Manifestation Item Person Corporate body Family Concept Object Place Event/Time

Prague 24 November Vision 1: Common International Functional model Work Expression Manifestation Item Person Corporate body Family Time Work Expression Manifestation Item Person Corporate body Family Concept Object Event/Time Place Creator Title Year Subject

Prague 24 November But no common international vocabulary!

Prague 24 November Two Different People – One Name Adams, Mike In the PND a golfer In LCNAF an author of a Beatles collector's guide Same Name Different People

Prague 24 November One Person – Two Names LCNAF: Morel, Pierre PND: Morellus, Petrus One person Different Names

Prague 24 November One person – variant forms of name Чайковский, Пётр Ильич Čajkovskij, Pëtr Il'ič Tschaikowski, Pjotr Iljitsch Tschaikowski, Pjotr I. Csajkovszkij, Péter Tsjaikowski, Pjotr. I. etc.

Prague 24 November Vision 2: Virtual International Authority File VIAF Persons (Events) Corporate bodies Families Works Places

Prague 24 November Structure of the VIAF LCNAF PND France Spain China Japan Heading and ID number

Prague 24 November Search PND LCNAF France Spain China Japan Bibliogr.dataAuthority data VIAF

Prague 24 November Project „Virtual International Authority File (VIAF)“ Project partners Library of Congress, German National Library, OCLC Online Computer Library Center Cooperative Agreement August 2003 Proof of viability of the VIAF concept Linking PND and LCNAF records through a Virtual International Authority File

Prague 24 November The VIAF Project LCDNB LC bib. recordsDNB bib. records LCNAFPND OCLC Stage 1: Match and Merge of Records Stage 2: Build OAI Server Stage 3: Update Service Stage 4: Ongoing maintenance BVB bib. records

Prague 24 November DNB / BVB Records BVB bib. recordsca. 5 Mio. DNB bib. recordsca. 6,5 Mio. PND authority recordsca. 2,7 Mio.

Prague 24 November Library of Congress Records Authority records - names of persons ca. 3,8 Mio. Bib. recordsca. 12 Mio.

Prague 24 November Stage 1: Match and Merge LC bib. record Person (Author, statement of res- ponsibility, subject heading etc.) All titles e.g. uniform titles, etc. Date and place of publication Language Publisher Subject cataloguing Numbers DNB (BVB) bib. record Person (Author, statement of res- ponsibility, subject heading etc.) all titles e.g. uniform titles, etc. Date and place of publication Language Publisher Subject cataloguing Numbers PND Authority record Müller, Karl Nr LCNAF Authority record Müller, Karl, No = ▼ =

Prague 24 November Mining the Bibliographic Record LDR 00826ccm a ocm s1982 nyuuua n eng 10 $a $a DLC $c DLC 19 $a $c $ $a $b G. Schirmer 45 2 $b d $b d $b va01 $b ve01 $a ka $a M $b.T $a Thomson, Virgil, $d $a The cat : $b duet for soprano and baritone / $c Virgil Thomson ; [words by Jack Larson]. 260 $a New York : $b G. Schirmer, $c c $a 1 score (11 p.) ; $c 31 cm. 500 $a For soprano, baritone, and piano $a Vocal duets with piano $a Larson, Jack $x Musical settings $a Larson, Jack. Authors LC Control Number LC Classification Title Material Type Publisher Place of Publication Language Date of Publication

Prague 24 November Enhancing the Authorities Bibliographic Record Derived Authority Record Enhanced Authority

Prague 24 November Enhanced Authority Record

Prague 24 November Linking Retrospective Files Matching Algorithms Enhanced LCNAF Authorities Enhanced PND Authorities VIAF authorities

Prague 24 November VIAF File DNB Names ca. 2,7 Mio. LC Names ca. 4,3 Mio. Common ca

Prague 24 November Stage 3: Build OAI Server LCNAF DNB/PND OAI Server(s)

Prague 24 November Stage 4: Ongoing maintenance VIAF LCNAFPND

Prague 24 November Search by VIAF Tschechow Search results Чехов, Антон Павлович Čechov, Anton Pavlovič Čechov, Anton P. Tschechow, Anton P. etc. Čechov

Prague 24 November Extensions of the VIAF for personal names for geographic names for corporate bodies for works Adding authority files from all countries

Prague 24 November Options Using the VIAF –in mixed databases –in multilingual portals Using the VIAF match and merge methods Linking to the VIAF Transfering the VIAF concept: Making the authority file the backbone of linking all kinds of objects

Prague 24 November books images resolver archivalia objects (in museums) articles articles in encyclopedias Persistent Identifier PND Who is Catherine the Great?

Prague 24 November The Virtual International Authority File

Prague 24 November Thank you for your attention!