Web NDL Authorities: Authority Data of

the National Diet Library, Japan, as Linked Data

大柴忠彦 OSHIBA Tadahiko

National Diet Library, Japan 1

IFLA 2014 Satellite Meeting Linked Data in Libraries: Let's make it happen! 14th August, 2014

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http://id.ndl.go.jp/auth/ndla

Web NDL Authorities

Background > Provision of NDL Name Authority

1979 Author name authority in book form 1997 JAPAN/MARC (A) Based on UNIMARC format Personal name and corporate name for

author headings 2012 JAPAN/MARC (A) revised In MARC21 format All NDL name authorities

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Background > Provision of NDLSH

1964 NDLSH in book form National Diet Library Subject Headings

2004 Revision of NDLSH Positive creation of new headings Application of “see also” ref. and

thesaurus structure Enter equivalent LCSH Provision of PDF file from NDL website

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Background > Provision of Linked Data Services

2010～2011 Web NDLSH Web version of NDLSH SKOS data model

2012～ Web NDL Authorities Expansion of Web NDLSH NDLSH + NDL name authorities Provision of All NDL authority data as

linked data

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http://id.ndl.go.jp/auth/ndla

Web NDL Authorities

Web NDL Authorities > Records

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Personal Name 815,979 Family Name 2,248 Corporate Name 191,366 Uniform Title 4,244 Geographic Name 28,984 NDLSH Topical Term

(Incl. Topical + Subdivision) 107,232 NDLSH Subdivision 328 Total 1,150,381

* As of June 2014

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Web NDL Authorities

* A search result for “村上春樹 (MURAKAMI, Haruki)”

Web NDL Authorities > Features

URI for each of the headings

Download of each data item in RDF

Search using the SPARQL

Links to VIAF, LCSH and Wikipedia

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Web NDL Authorities > Vocabularies

SKOS, FOAF, Dublin Core, DC-NDL …

SKOS mainly for subject authority data

FOAF mainly for name authority data

DC-NDL for Yomi (Japanese transcription) * National Diet Library Dublin Core Metadata Description

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Web NDL Authorities > RDF model

* RDF model of the authority record “村上春樹 (MURAKAMI, Haruki)”

Yomi (Japanese transcription)

* The “ja-Kana” in the “ndl:transcription” denotes Yomi. The “ndl:transcription” is a term of DC-NDL.

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Web NDL Authorities > the Graphical display

* NDLSH “ロック音楽 Rock music”

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Web NDL Authorities > Links to LCSH

<skos:closeMatch rdf:resource="http://id.loc.gov/authorities/subjects/sh85114675" />

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Web NDL Authorities > Links to …

Web NDL Authorities > NDL and VIAF

Participation in VIAF: 1st Oct., 2012

First contributor from East Asia

Exchange of links with VIAF

Translation of VIAF

interface into Japanese

15 * http://viaf.org/

Web NDL Authorities > Links to VIAF

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Web NDL Authorities > Links to Wikipedia

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* By dynamic queries with literal heading values directly from the system.

Web NDL Authorities > Linking Data

18 * The Linking Open Data cloud diagram, 2011/09/19

ndlna NDL subjects

VIAF

RAMEAU LCSH

ありがとうございます

Thank you / Merci

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Web NDL Authorities http://id.ndl.go.jp/auth/ndla

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