The UNIMARC in RDF project: namespaces and linked data Mirna Willer, Gordon Dunsire, Predrag Perožić Presented at Session 222, IFLA WLIC 2013, 22 August 2013, Singapore

The project Representation of UNIMARC structure and code lists in RDF (Resource Description Framework) Funded for first year by Permanent UNIMARC Committee – Focus on UNIMARC Bibliographic format Will take more than 1 year … – Further funding required …

Constructing the element set “classes and attributes used to describe entities of interest” – W3C Library Linked Data Incubator Group Represented as RDF classes and properties – In the Open Metadata Registry (OMR) – Uploaded from spread-sheets Representation at finest level of granularity to avoid loss of information

tagtagCapind1ind1Capind2ind2CapsubsubCapdefinition 210PUBLICATION, DISTRIBUTION, ETC. #Not applicable / Earliest available publisher #Produced in multiple copies, usually published or publically distributed aPlace of Publication, Distribution, etc. The town or other locality where the item is published or distributed or, in the case of a manuscript, written. 210PUBLICATION, DISTRIBUTION, ETC. 0Intervening publisher #Produced in multiple copies, usually published or publically distributed aPlace of Publication, Distribution, etc. The town or other locality where the item is published or distributed or, in the case of a manuscript, written. 210PUBLICATION, DISTRIBUTION, ETC. 1Current or latest publisher #Produced in multiple copies, usually published or publically distributed aPlace of Publication, Distribution, etc. The town or other locality where the item is published or distributed or, in the case of a manuscript, written. 210PUBLICATION, DISTRIBUTION, ETC. #Not applicable / Earliest available publisher 1Not published or publically distributed aPlace of Publication, Distribution, etc. The town or other locality where the item is published or distributed or, in the case of a manuscript, written. 210PUBLICATION, DISTRIBUTION, ETC. 0Intervening publisher 1Not published or publically distributed aPlace of Publication, Distribution, etc. The town or other locality where the item is published or distributed or, in the case of a manuscript, written. 210PUBLICATION, DISTRIBUTION, ETC. 1Current or latest publisher 1Not published or publically distributed aPlace of Publication, Distribution, etc. The town or other locality where the item is published or distributed or, in the case of a manuscript, written. U21011a Place of publication … in Publication, distribution, etc. (Current or latest publisher) (Not published …) URILabel

200 1#$aBibliographica belgica $fCommission belge de bibliographie $f= Belgische Commissie voor bibliografie Semantic information embedded in content “= “ : Parallel U2001_f : First Statement of Responsibility ??? : Parallel First Statement of Responsibility

UNIMARC ISBD PropertyLabelAPropertyLabel U200__aTitle proper= <> P1004has title proper P1117has title of individual work by same author P1137has common title of title proper UNIMARC Alignment with ISBD Alignment is equal, broader, and narrower!

Value vocabularies “thesauri, code lists, term lists, classification schemes, subject heading lists, …” – W3C Library Linked Data Incubator Group Often represented in RDF using Simple Knowledge Organization System (SKOS)

Attribute Character position ValueNotes Type designator0cnewspaper Frequency of issueladaily Regularity2aregular 110 (CODED DATA FIELD: CONTINUING RESOURCES) $a (Continuing Resource Coded Data) Property URI = Subfield URI + Character position U110__a0U110__a1U110__a2

unimarcb:U110__a1 resource: 123 freq: a crtype: c unimarcb:U110__a0 reg: a unimarcb:U110__a2 “a” skos:notation skos:prefLabel Frequency map for Dublin Core, MARC 21, and RDA

Thank you!