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Applications of IFLA Namespaces. Gordon Dunsire IFLA Namespaces Technical Group Session 185 — Tutorials and progress reports — Semantic Web Special Interest Group IFLA World Library and Information Congress 11-17 August 2012, Helsinki, Finland . Dataset applications.

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applications of ifla namespaces

Applications of IFLA Namespaces

Gordon Dunsire

IFLA Namespaces Technical Group

Session 185 — Tutorials and progress reports — Semantic Web Special Interest Group

IFLA World Library and Information Congress 11-17 August 2012, Helsinki, Finland

dataset applications
Dataset applications
  • “collections of structured metadata — descriptions of things, such as books … a collection of library records”
    • W3C Library Linked Data Incubator Group
  • Catalogue data is mapped to RDF elements from multiple namespaces
    • Mix-and-match
    • IFLA elements available in FR and ISBD namespaces
slide3
FRBR

ISBD

element sets
Element sets
  • “classes and attributes used to describe entities of interest … elements to be used by others to describe such entities”
    • W3C LLD
  • Metadata schema entities represented as RDF classes
  • Entity attributes (fields) and relationships represented as RDF properties
element set applications
Element set applications
  • Interoperability of schema represented by relationships between RDF classes and properties in respective schema namespaces
    • Using ontological properties from W3C namespaces
      • E.g. RDF Schema (rdfs) subPropertyOf
  • Datasets can be processed against ontology maps to generate new data triples
    • The semantic in Semantic Web!
slide6
Interoperability
  • Audience element ontology:
  • ISBD
  • MARC21 (m21)
  • RDA
  • Dublin Core terms (dct)
  • Unconstrained commons
slide7
Global

Local

value vocabularies
Value vocabularies
  • “a controlled list of allowed values for an element … include: thesauri, … authority files, …, and other types of knowledge organization systems.”
    • W3C LLD
  • E.g. MulDiCat
    • Multilingual dictionary of cataloguing
    • Useful for namespace translations, user displays, etc.
isbd area 0 value vocabularies
ISBD area 0 value vocabularies
  • Content form and media type
  • Development of RDF mappings to the RDA/ONIX Framework for Resource Categorization
    • RDA content form and media type already mapped
  • Improves interoperability of datasets and format-based resource discovery
rda onix framework as hub
RDA/ONIX Framework as hub

RDA

ISBD

Ch:“language”

SM:“hearing”

“spoken word”

“spoken word”

ID:“not applicable”

IM:“not applicable”

Sensory specification

qualifier

Ch:“language”

SM:“touch”

“tactile text”

“text”

ID:“not applicable”

+“(tactile)”

IM:“not applicable”

ifla namespaces technical group
IFLA Namespaces Technical Group
  • Representation from IFLA sections and groups
  • Guidelines on translating namespaces: in development
    • By end of 2012
  • Guidelines on using and extending namespaces: proposed for 2013
  • Investigation of “commons” namespaces for extension and interoperability: proposed for 2013
slide12
End
  • Thank you!
  • IFLA Namespaces TG
    • http://www.ifla.org/en/node/5353
  • Open Metadata Repository
    • http://metadataregistry.org/
  • Blog posts on Metadata Matters
    • http://managemetadata.com/blog/
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