DataCite and its DOI infrastructure - IASSIST 2013

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  • 1. Frauke Ziedorn IASSIST 2013 Workshop: da|ra: How to obtain a DOI name for my social and economic research data? 28th May 2013 DataCite and its DOI infrastructure
  • 2. 2 DataCite • Growing demand to make data citable. • DataCite is an international consortium whose aims are • to establish easier access to research data on the Internet • to increase acceptance of research data as legitimate, citable contributions to the scholarly record • to support data archiving that will permit results to be verified and re-purposed for future study. • DataCite was founded 2009 in London with 7 members at the initiative of the TIB. • 2013: • 17 members from 12 countries, • 5 associated members, • ~1.5 Million DOIs
  • 3. 3 The DOI® System • The DOI system offers long-term persistence and accessibility of data. • Based on the Handle system. • In May 2012 the DOI System ISO Standard 26324 was published. • Part of the quality control is mandatory metadata for each object registered with a DOI. DOI® , DOI.ORG® and shortDOI® are trademarks of the International DOI Foundation
  • 4. 4 International DOI Foundation DataCite DataCite Member Data CentreData CentreDatacenter DataCite Member Data CentreData CentreDatacenter … Managing Agent TIB Member Associate Members 10 DOI Registration Agencies DOI Infrastrukture
  • 5. 5 DataCite Services • Registration and updating of DOI names. • Storage of metadata. • Accessible via UI or API. Metadata Store (MDS)
  • 6. 6 DataCite and Metadata • Metadata make data discoverable. • Long-term maintenance of metadata is an important part of the persistence of an identifier. • Schema is inspired by Dublin Core. • Core value of the DataCite Metadata Schema: Linking between data and related objects. • Future vision: Links between all related publications and objects.
  • 7. 7 DataCite Metadata Schema • Identifier (with type attribute) • Creator (with type and nameIdentifier attributes) • Title (with optional type attribute) • Publisher • PublicationYear • Citation: Creator (PublicationYear): Title. Publisher. Identifier Mandatory Properties
  • 8. 8 Citation Creator (PublicationYear): Title. Publisher. Identifier Dataset: Kuhlmann, H et al. (2009): Age models, iron intensity, magnetic susceptibility records and dry bulk density of sediment cores from around the Canary Islands. PANGAEA - Data Publisher for Earth & Environmental Science. doi:10.1594/PANGAEA.727522, Is supplement to this article: Kuhlmann, Holger; Freudenthal, Tim; Helmke, Peer; Meggers, Helge (2004): Reconstruction of paleoceanography off NW Africa during the last 40,000 years: influence of local and regional factors on sediment accumulation. Marine Geology, 207(1-4), 209-224, doi:10.1016/j.margeo.2004.03.017
  • 9. 9 DataCite Metadata Schema • Subject (with scheme attribute) • Contributor (with type and nameIdentifier attributes) • Date (with type attribute) • Language • ResourceType (with description attribute) • AlternateIdentifier (with type attribute) • RelatedIdentifier (with type und relationType attributes) • Size • Format • Version • Rights • Description (with type attribute) Optional Properties
  • 10. 10 Hands-on Session http://test.datacite.org Login: TEST.IASSIST PW: IASSIST2013
  • 11. 11 DataCite Services • Search engine for all metadata stored in the MDS. • Filter options to refine the search. Metadata Search
  • 12. 12 DataCite Services • Exposes metadata stored in the MDS using the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). • Service is open to everyone. • Available metadata formats: • OAI Dublin Core (oai_dc) • OAI DataCite (oai_datacite) This format contains several other elements describing the version of the metadata, whether it is of reference quality, and the registering datacentre. • DataCite Direct (datacite) OAI-PMH Data Provider
  • 13. 13 DataCite Services • Exposes metadata stored in the MDS using multiple formats: DataCite XML, DataCite text citation, RDF/XML, RDF Turtle, BibTex, RIS, HTML • Accessible with HTTP content negotiation or HTML links. Content Service
  • 14. 14 Services in Cooperation with CrossRef • http://crosscite.org/citeproc/ A Citation Formater which provides over 100 different formats for citations. • http://crosscite.org/cn/ With Content Negotiation it is possible to access different media types of a registered object (machine-to-machine only).
  • 15. 15 Links • http://schema.datacite.org Access to all versions of the DataCite metadata schema, with documentation, schema definition, and examples. • http://search.datacite.org Search engine for all metadata stored by DataCite. • http://oai.datacite.org Datacite‘s OAI-PMH service which allows access to the metadata. • http://data.datacite.org DataCite Content Service exposes metadata using multiple formats. • http://test.datacite.org DataCite‘s test system includes all services, like MDS, Search, Content Negotiation etc.
  • 16. Thank you for your attention!