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Linked Library Data, LOD-LAM, &     the Dublin Core Metadata InitiativePresented 2012-06-01Linked Ancient World Data Insti...
Topical Overview                                                      • - Value Vocabs   • Talk outline:                  ...
3 Takeaways   • Libraries are doing a lot in this     space   • We want to do more, including     building infrastructure ...
Library Metadata   • Rich stores of MARC, MODS, &c.   • Robust Controlled Vocabularies         Subject Heading lists     ...
Era of              “Perpetual               Metadata             Heterogeneity”                       --or--2012-06-01   ...
Ethan Gruber’s Alphabet Soup   MODS MARC METS DC EAD MADS TEI    MEI CIDOC-CRM SKOS RDF RDFS    XML FGDC FRBR EAC-CPF ISO-...
Bibliographic Vocabs   • Bibliographic Ontology (Bibo)         Zotero, Omeka, EPrints and Others   • FRBR – unofficial   ...
2012-06-01   Linked Ancient World Data Institute   8
Linked Library [Archive, Museum] Data   • LIBRIS (Swedish Union Catalog)   • Library of Congress (LCSH, OSI)   • German Na...
LCSH in Dublin Core   • Encoding Scheme for DC Subject   • No easy way to draw on equivelent     terms and cross-reference...
LCSH as a Web Service!   • Uses principles of linked data   • lcsh.info -> id.loc.gov   • People noticed when taken down  ...
2012-06-01   Linked Ancient World Data Institute   12
2012-06-01   Linked Ancient World Data Institute   13
Swedish National LibraryRDF Data                                                                      http://blog.libris.k...
Image courtesy of Ed Summers2012-06-01   Linked Ancient World Data Institute   15
Image courtesy of Ed Summers2012-06-01   Linked Ancient World Data Institute   16
Other Vocabularies   • Thesaurus for Economics   • French Subject Headings   • Swedish Subject Headings   • IconClass (not...
Virtual International Authority File (VIAF)    • http://viaf.org/    • http://viaf.org/viaf/data    • 20+ Authority Files ...
Social Networks of Archival Context  Image From: http://inkdroid.org/journal/2010/08/12/archival-context-on-the-web/    20...
Linking Lives – Screenshots from P. Johnston   2012-06-01              Linked Ancient World Data Institute   20
Linking Lives – Screenshots from P. Johnston   2012-06-01              Linked Ancient World Data Institute   21
Resource Description and Access   • Current focus on MARC         Much criticism         Within MARC, not a tremendous c...
RDA as Metadata Vocabularies                                                                          Slide Adapted from D...
Metadata Registries   • Formerly NSDL Registry         Now “Open Metadata Registry”         Managing Vocabularies       ...
2012-06-01   Linked Ancient World Data Institute   25
BIBO and RDAVocab   • Open question re: alignment         DCMI Vocabulary Management & Alignment   • Simplified view of B...
Dublin Core Efforts    • Dublin Core Metadata Initiative, more      than Dublin Core Metadata Element Set    • Dublin Core...
DCAM Resource Model   2012-06-01         Linked Ancient World Data Institute   28
DCAM Resource Model: Subtle Difference   • Property-Value pairs built around notion     of “Described Resource”   • Centra...
2012-06-01   Linked Ancient World Data Institute   30
Conclusions   • Distributed bibliographic control environment         Linking Data         Focus on identification over ...
W3C Linked Library Data Incubator   • Collected, Curated and Clustered over     50 Use Cases   • Mined use cases for funct...
Other Activities    • ALCTS/LITA Linked Library Data IG    • IFLA Semantic Web IG          https://wiki.d-nb.de/x/vA10Ag ...
Thanks!                         Questions?                       corey.harper@nyu.edu                           212.998.24...
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Charper.lawdi.20120601

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Linked Library Data, LOD-LAM, & the Dublin Core Metadata Initiative

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  1. 1. Linked Library Data, LOD-LAM, & the Dublin Core Metadata InitiativePresented 2012-06-01Linked Ancient World Data InstituteCorey A Harper
  2. 2. Topical Overview • - Value Vocabs • Talk outline: - id.loc * A few principles that didnt come up yesterday - fast - Open vs. Closed world - viaf assumption - Instance data - Graph Merging - British Library stuff & more * LOD-LAM - W3C Incubator Group * Libraries in the LOD-LAM - Archives - RDF Vocabs - ALA, IFLA, ExL, & more - Non-Library * DCMI * BiBo - DCAM * FRBR Fake * DCterms - Metadata Registries - Library - Vocabulary Alignment * Official FRBR * Where does this fit? * ISBD & other IFLA * Services from Libraries & Library * MARC 21 Data? * BibFrame * Use cases for LAWDI & AW * RDAdigi Scholarship 2012-06-01 Linked Ancient World Data Institute 2
  3. 3. 3 Takeaways • Libraries are doing a lot in this space • We want to do more, including building infrastructure for your research • The Dublin Core Metadata Initiative is more than a set of vocabularies. We’re working on how to do this 2012-06-01 Linked Ancient World Data Institute 3
  4. 4. Library Metadata • Rich stores of MARC, MODS, &c. • Robust Controlled Vocabularies  Subject Heading lists  Code lists  Thesauri • Emerging data model in FR* 2012-06-01 Linked Ancient World Data Institute 4
  5. 5. Era of “Perpetual Metadata Heterogeneity” --or--2012-06-01 Linked Ancient World Data Institute 5
  6. 6. Ethan Gruber’s Alphabet Soup MODS MARC METS DC EAD MADS TEI MEI CIDOC-CRM SKOS RDF RDFS XML FGDC FRBR EAC-CPF ISO-19115 FRSAD MARC-XML VRA FRAD PB- CORE DARWIN-CORE &c &c &c 2012-06-01 Linked Ancient World Data Institute 6
  7. 7. Bibliographic Vocabs • Bibliographic Ontology (Bibo)  Zotero, Omeka, EPrints and Others • FRBR – unofficial  And now Official (Thank you IFLA!) • International Standard for Bibliographic Description (ISBD) • Resource Description and Access (RDA) 2012-06-01 Linked Ancient World Data Institute 7
  8. 8. 2012-06-01 Linked Ancient World Data Institute 8
  9. 9. Linked Library [Archive, Museum] Data • LIBRIS (Swedish Union Catalog) • Library of Congress (LCSH, OSI) • German National Library • Hungarian National Library • British Library • Europeana • Archives Hub, LOCAH & Linking Lives 2012-06-01 Linked Ancient World Data Institute 9
  10. 10. LCSH in Dublin Core • Encoding Scheme for DC Subject • No easy way to draw on equivelent terms and cross-references • Abstract Model, RDF and SKOS are enabling applications to make use of the whole vocabulary 2012-06-01 Linked Ancient World Data Institute 10
  11. 11. LCSH as a Web Service! • Uses principles of linked data • lcsh.info -> id.loc.gov • People noticed when taken down • Links to French Subject Headings • URIs for Literal String lookup • http://id.loc.gov/authorities/label/World Wide Web 2012-06-01 Linked Ancient World Data Institute 11
  12. 12. 2012-06-01 Linked Ancient World Data Institute 12
  13. 13. 2012-06-01 Linked Ancient World Data Institute 13
  14. 14. Swedish National LibraryRDF Data http://blog.libris.kb.se/semweb/?p=7 Image courtesy of Martin Malmstem 2012-06-01 Linked Ancient World Data Institute 14
  15. 15. Image courtesy of Ed Summers2012-06-01 Linked Ancient World Data Institute 15
  16. 16. Image courtesy of Ed Summers2012-06-01 Linked Ancient World Data Institute 16
  17. 17. Other Vocabularies • Thesaurus for Economics • French Subject Headings • Swedish Subject Headings • IconClass (not on web yet) • OCLC Terminology Services • Dewey Decimal Classification • Virtual International Authority File (VIAF) • Faceted Application of Subject Terminology (FAST) 2012-06-01 Linked Ancient World Data Institute 17
  18. 18. Virtual International Authority File (VIAF) • http://viaf.org/ • http://viaf.org/viaf/data • 20+ Authority Files • Map/Reduce in Hadoop • ODC-By License  For attribution at triple level, using OCLC URI is sufficient 2012-06-01 Linked Ancient World Data Institute 18
  19. 19. Social Networks of Archival Context Image From: http://inkdroid.org/journal/2010/08/12/archival-context-on-the-web/ 2012-06-01 Linked Ancient World Data Institute 19
  20. 20. Linking Lives – Screenshots from P. Johnston 2012-06-01 Linked Ancient World Data Institute 20
  21. 21. Linking Lives – Screenshots from P. Johnston 2012-06-01 Linked Ancient World Data Institute 21
  22. 22. Resource Description and Access • Current focus on MARC  Much criticism  Within MARC, not a tremendous change  Different problems outside of MARC • Possible focus outside of MARC  RDA as realization of FRBR  RDA as Metadata Vocabularies  RDA as related to Bibo 2012-06-01 Linked Ancient World Data Institute 22
  23. 23. RDA as Metadata Vocabularies Slide Adapted from Diane Hillmann • RDA elements, roles and vocabularies have been provisionally registered • IFLA FRBRer and ISBD elements and vocabularies have been officially registered • Discussions about long term maintenance of both RDA and the vocabularies • Effort to create multi-language RDA Vocabularies 2012-06-01 Linked Ancient World Data Institute 23
  24. 24. Metadata Registries • Formerly NSDL Registry  Now “Open Metadata Registry”  Managing Vocabularies  Providing Vocabulary Services • RDA – Now adding translations • IFLA Work  FRBR, FRAD, FRSAD, ISBD 2012-06-01 Linked Ancient World Data Institute 24
  25. 25. 2012-06-01 Linked Ancient World Data Institute 25
  26. 26. BIBO and RDAVocab • Open question re: alignment  DCMI Vocabulary Management & Alignment • Simplified view of Bib Data is useful  Interlinking with more general data  Interlinking with non-library domain data • FRBR as internal model for library domain • Examples 2012-06-01 Linked Ancient World Data Institute 26
  27. 27. Dublin Core Efforts • Dublin Core Metadata Initiative, more than Dublin Core Metadata Element Set • Dublin Core Abstract Model • Application and Description Set Profiles • Harmonization, not Normalization • Vocabulary Management Infrastructure  Including Mapping Efforts 2012-06-01 Linked Ancient World Data Institute 27
  28. 28. DCAM Resource Model 2012-06-01 Linked Ancient World Data Institute 28
  29. 29. DCAM Resource Model: Subtle Difference • Property-Value pairs built around notion of “Described Resource” • Centralizing triples around a single object  Becoming Property-Value pairs • Preserving DC 1:1 Principle by including descriptions of “related resource” • How to validate??? 2012-06-01 Linked Ancient World Data Institute 29
  30. 30. 2012-06-01 Linked Ancient World Data Institute 30
  31. 31. Conclusions • Distributed bibliographic control environment  Linking Data  Focus on identification over description • “In short, by treating values as non-literal resources and assigning URIs to them we give ourselves (and others) the hooks on which to hang further descriptions.” - Andy Powell 2012-06-01 Linked Ancient World Data Institute 31
  32. 32. W3C Linked Library Data Incubator • Collected, Curated and Clustered over 50 Use Cases • Mined use cases for functional requirements and design patterns • Recommendations to W3C  Should lead to Working Groups (or new Community Groups) • http://www.w3.org/2005/Incubator/lld/ 2012-06-01 Linked Ancient World Data Institute 32
  33. 33. Other Activities • ALCTS/LITA Linked Library Data IG • IFLA Semantic Web IG  https://wiki.d-nb.de/x/vA10Ag • Open Knowledge Foundation  http://okfn.org/ • CKAN Linked Library Data Group:  http://ckan.net/group/lld • LC’s Bibliographic Framework Initiative  http://www.loc.gov/marc/transition/ • IGELU Linked Data Interest Group  http://igelu.org/special-interests/lod 2012-06-01 Linked Ancient World Data Institute 33
  34. 34. Thanks! Questions? corey.harper@nyu.edu 212.998.2479 @chrpr http://delicious.com/charper/lawditalk 2012-06-01 Linked Ancient World Data Institute 34
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