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Open (linked) bibliographic data

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Presentation to the UK JISC / RLUK Resource Discovery Taskforce on 18th April 2011, Ed Chamberlain Cambridge University Library

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Open (linked) bibliographic data

  1. 1. Open (linked) Bibliographic Data A perspective from Cambridge University Library Ed Chamberlain – Systems Development Librarian
  2. 2. Why did you decide to expose your bibliographic data? <ul><li>Natural follow on for ‘meeting reader in their (online) place’ </li></ul><ul><li>Already exposing data to others (OCLC, COPAC, SUNCAT etc.) </li></ul><ul><li>Value for money for taxpayer </li></ul><ul><li>Internal academic pressure </li></ul>
  3. 3. Learn good things from other people … <ul><li>Rufus Pollock - Cambridge Researcher / Open Knowledge Foundation </li></ul><ul><li>Analysis of size and growth of the public domain using our bibliographic data* </li></ul><ul><li>Helped to develop a copyright calculation services based on bib-data </li></ul><ul><li>*http://rufuspollock.org/tags/eupd/ </li></ul>
  4. 4. COMET (Cambridge Open METadata) What does it entail? <ul><li>Releasing large amount of records under an Open Data Commons License </li></ul><ul><li>Formats include Marc21 and linked RDF with a triple-store </li></ul><ul><li>Road-test linking to OCLC resources (FAST / VIAFF) </li></ul><ul><li>Supporting documentation on whole process </li></ul>
  5. 5. The library sector’s ambition around resource discovery ( … what I think they should be) #1 <ul><li>Success of ‘out-of-domain exposure’ outside of cultural heritage </li></ul>
  6. 6. The library sector’s ambition around resource discovery ( … what I think they should be) #2 <ul><li>Multiple points of discovery at multiple levels for multiple audiences - built on a shared community platform of data </li></ul>
  7. 7. The library sector’s ambition around resource discovery ( … what I think they should be) #3 <ul><li>Services for undergraduates </li></ul><ul><li>Services for academics </li></ul>} Services for developers
  8. 8. COMET (Cambridge Open METadata) : What barriers are you facing and how are you overcoming them? <ul><li>Licensing (OCLC) </li></ul><ul><li>RDF vocab and mappings </li></ul><ul><li>Triplestores </li></ul>
  9. 9. Licensing <ul><li>The preferred ideal … </li></ul><ul><ul><li>Full unrestricted access </li></ul></ul><ul><ul><li>Creative Commons Zero / Public Domain Data License … </li></ul></ul><ul><ul><li>Complete dump of data </li></ul></ul><ul><li>There are other types of open … </li></ul><ul><ul><li>Examining all license options </li></ul></ul><ul><ul><li>But any published data is better than none at all … </li></ul></ul><ul><ul><li>No good legal reason not to publish </li></ul></ul><ul><ul><li>Will need some sort of license - more open the better </li></ul></ul>
  10. 10. RDF vocab and mappings – no standard 010$a bibo:lccn 650,651 dc:coverage 100;110;700;710;730651;662 dc:contributor 130;210;240;246$abh;247;730;740 dc:alternative 245$abh dc:title
  11. 11. <ul><li><http://purl.org/ontology/bibo/Book>.<http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Document>. <http://id.loc.gov/vocabulary/countries/enk> <http://www.w3.org/2004/02/skos/core#inScheme> <http://id.loc.gov/vocabulary/countries>. <http://id.loc.gov/vocabulary/countries/enk> <http://www.w3.org/2004/02/skos/core#notation> &quot;enk&quot;^^<http://www.w3.org/2001/XMLSchema#string>. <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://RDVocab.info/ElementsplaceOfPublication> <http://id.loc.gov/vocabulary/countries/enk>. _:cnode0076e8b9d1bf838806998604ed868f41 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person>. _:bnode5103c3584b063c431bd1268e9b5e76fb <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/vocab/bio/0.1/Birth>. _:bnode5103c3584b063c431bd1268e9b5e76fb <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> &quot;1926-01-01T00:00:00Z&quot;. _:cnode0076e8b9d1bf838806998604ed868f41 <http://purl.org/vocab/bio/0.1/event> _:bnode5103c3584b063c431bd1268e9b5e76fb . _:cnode0076e8b9d1bf838806998604ed868f41 <http://www.w3.org/2004/02/skos/core#notation> &quot;Herbert, Stan,1926-&quot;. _:cnode0076e8b9d1bf838806998604ed868f41 <http://xmlns.com/foaf/0.1#name> &quot;Herbert, Stan,&quot;. <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#contributor> _:cnode0076e8b9d1bf838806998604ed868f41. <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#extent> &quot;65 p :&quot; . <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#publisher> &quot;De Beers Industrial Diamond Division,&quot; . <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://data.lib.cam.ac.uk/def/marc#scn> &quot;(UkLNAL)76577&quot; . <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://data.lib.cam.ac.uk/def/marc#scn> &quot;(UkLCURL)7576577&quot; . <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#title> &quot;The Charters story /&quot; . <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#date> &quot;1987&quot; . <http://id.loc.gov/vocabulary/iso639-2/eng> <http://www.w3.org/2004/02/skos/core#inScheme> <http://id.loc.gov/vocabulary/iso639-2>. <http://id.loc.gov/vocabulary/iso639-2/eng> <http://www.w3.org/2004/02/skos/core#notation> &quot;eng&quot;^^<http://www.w3.org/2001/XMLSchema#string>. <http://id.loc.gov/vocabulary/iso639-2/eng> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept>. <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#language> <http://id.loc.gov/vocabulary/iso639-2/eng> . <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#rightsHolder> &quot;UkLCURL&quot; . _:snode023aaa2202e2efe0f4f7a0270f695942 <http://www.w3.org/2004/02/skos/core#inScheme> <http://id.loc.gov/authorities#conceptScheme>. _:snode023aaa2202e2efe0f4f7a0270f695942 <http://www.w3.org/2004/02/skos/core#prefLabel> &quot;Charters (Sunninghill, England) -- History.&quot; . _:snode023aaa2202e2efe0f4f7a0270f695942 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept>. <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#subject> _:snode023aaa2202e2efe0f4f7a0270f695942 . _:snode359dca0354e8998543f523349e2c0775 <http://www.w3.org/2004/02/skos/core#inScheme> <http://id.loc.gov/authorities#conceptScheme>. _:snode359dca0354e8998543f523349e2c0775 <http://www.w3.org/2004/02/skos/core#prefLabel> &quot;De Beers Industrial Diamond Division&quot; . _:snode359dca0354e8998543f523349e2c0775 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept>. <http://data.lib.cam.ac.uk/id/entry/cul_comet_pddl_5027636> <http://purl.org/dc/terms#subject> _:snode359dca0354e8998543f523349e2c0775 . </li></ul>Gah!
  12. 12. Triplestores <ul><li>Not fun </li></ul><ul><li>Keep it sweet and simple for now </li></ul>
  13. 13. What benefits have you gained / do you expect to gain? <ul><li>Understanding of capabilities and concepts of linked data </li></ul><ul><li>Limitations of marc21 encoded data </li></ul><ul><li>Lean about FAST and VIAF (next-gen authority control!) </li></ul><ul><li>More down the line … </li></ul>
  14. 14. <ul><li>Strong platform for future development, may take several ‘cycles’ </li></ul><ul><li>Growth area in government and HE for linked data – makes sense to be in the same sphere </li></ul><ul><li>Hugh scope for back office benefits </li></ul>In what ways does the new landscape of linked open data potentially change what is possible for the libraries sector ?
  15. 15. How do you wish to go forward? What are your plans post-COMET? <ul><li>Encourage others – provide useful documentation and code </li></ul><ul><li>Advice on licensing </li></ul><ul><li>Expose more data – from different sources </li></ul><ul><li>Do something cool with it! </li></ul>
  16. 16. Beyond bibliography … Bibliographic Holdings FAST subject headings Libraries VIAFF name authority Transactions Special collections Archives Creator / entity Place of publication LCSH subject headings Course lists Language Librarians
  17. 17. Ed Chamberlain <ul><li>[email_address] </li></ul><ul><li>http://cul-comet.blogspot.com/ </li></ul><ul><li>@edchamberlain </li></ul>

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