Crossref Metadata and Metadata Services
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Crossref metadata provides bibliographic metadata for a large number of publishers and scholarly documents, essential for various organizations like discovery services and citation metrics providers. It comes in a standard XML format, enabling users to search, filter, and analyze citation data without needing to log in or incur fees, although some services may require a fee and login. Users include academic institutions, publishers, and data analysis firms who utilize the metadata for research, development of tools, and reporting.
Crossref Metadata and Metadata Services
- 2. <Metadata> • What is Crossref metadata • Who uses Crossref metadata services • How Crossref provides this content
- 3. Crossref Metadata Services • Many discovery services rely on bibliographic metadata from publishers • An increasing number of services are using citation analysis • Publishers have different, non-standard formats • It is difficult to locate metadata for book chapters • Publishers have an interest in increasing the discoverability of their content
- 4. CrossRef metadata is available for thousands of publishers and millions of scholarly documents in the same XML format
- 5. Metadata services users Can locally host Crossref metadata (including many references) Can use Crossref metadata for citation analysis
- 6. Who is it for? • Organizations that want to supplement metadata from other sources • Organizations providing citation metrics • Document delivery providers • Discovery services • Search engines • Content aggregators
- 7. Optional opt-out To make sure CrossRef Affiliates receive your references, make sure not to opt-out of references (By default you are opted-in)
- 8. Users include: Academic Analytics, LLC Academic Medical Center Airiti, Inc. Altmetric, LLC American Chemical Society (ACS) Cambia Colwiz Limited Copyright Clearance Center, Inc. (CCC) DeepDyve, Inc. EasyBib.com (ImagineEasy Solutions) Elsevier, Inc. EMBL-EBI Ex Libris Ltd. Global Digital Central Hindawi Publishing Corporation Instytut Bioinfobank Sp. z o.o. Labtiva, Inc. mapegy GmbH MESUR OCLC Ontario Council of University Libraries (OCUL) PhilPapers Foundation Plum Analytics ProQuest Information & Learning PTFS Europe Reprints Desk Research Square ScholarMate, Ltd. Science-Metrix Sciencescape, Inc. Sunmedia Suweco, CZ Symplectic, Ltd. Talis Education Limited Technical Information Center of Denmark (DTU Library) The Korean Federation of Science and Technology Societies Third Iron UberResearch
- 10. • Search, filter, facet, sample Crossref metadata • Free to use • Do whatever you want with the data • Code publicly available: http://github.com/CrossRef
- 11. Titles, authors, ISSNs, ISBNs Basic metadata Journal articles, conference proceedings, data, standards Funding Information Funder identifiers, award numbers License Information License URIs (NISO ALI) Full-text locations URIs direct to full-text articles (used in TDM) ORCIDs Significant updates Retractions, corrections Publishers Crossref
- 12. What are people doing with it? • Search services (including Crossref’s funding and metadata searches) • Bibliography / PDF library management tools • Reporting on funding activities, publishing • activities, author activities • Ingest of scholarly metadata (OAI-PMH replacement) and metadata lookup • Locating full-texts for content mining
- 14. Using it for research http://doi.org/10.7717/peerj.2323
- 17. methods to retrieve metadata `
- 18. api.crossref.org doi.crossref.org oai.crossref.org • also known as our REST-API • used retrieve data for specific sets of DOIs, based on resources and filters defined by the API syntax • no login required and no fee • SLA based service to be available in 2017 (for a fee) • also known as our XML-API • legacy Crossref query logic which supports reference and Cited-by linking • login required, no fee, some requests types limited to members only • supports Crossref’s Metadata Service • bulk downloading of lots (up to the entire) Crossref metadata repository • login required and there is a fee • returns deposited references for DOIs (with an opt-out caveat)
- 20. http://doi.crossref.org/servlet/query?usr=***&pwd=***&type=q&format=unixsd&qdata= <?xml version = "1.0" encoding="UTF-8"?> <query_batch version="2.0" xmlns = "http://www.crossref.org/qschema/2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <head> <doi_batch_id>eXtyles Request AMP.dodge0724.doc__76</doi_batch_id> </head> <body> <query key="Q1_jrn" enable-multiple-hits="false" expanded-results="false" secondary-query="none"> <year>2006</year> <article_title> Developmental trajectories of externalizing and internalizing behaviors: Factors underlying resilience in physically abused children. </article_title> <journal_title>Development and Psychopathology</journal_title> <volume>18</volume> <first_page>35</first_page> <issn>0954-5794</issn> <author>Lansford</author> </query> </body></query_batch>
- 21. http://doi.crossref.org/servlet/query?usr=***&pwd=***&type=q&format=unixsd&qdata=
- 23. Questions?
Editor's Notes
- #3: Susan already covered Cited-by linking.