Getting started with looking up metadata
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Transcript of Getting started with looking up metadata
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Get started: Looking up metadata Patricia Feeney
Product Support Manager @CrossrefSupport
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funders
data
clinical trials grant
#s
versions
DOI
funders
data
updates
DOI
preprint
funders
data
grant #s
versions
preprint funders
data
clinical trials
updates
grant #s
versions
preprint
funders
data
DOI
updates
grant #s
versions
updates
updates
updates
data
data
data data
data
data
data
data
data
data data
updates
DOI
DOI
DOI
DOI
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metadata including…
author names, ORCIDs, affiliations, article titles, ISSN, ISBN, pages, issue #, volume #s, dates, identifiers
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more metadata reference lists, funding data, ORCIDs, license data, clinical trial numbers, errata, retractions, updates and more through our Crossmark service, JATS-formatted abstracts, relationships between items…
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What do you want to do?
• Look up metadata for a DOI
• Match a reference / metadata to a DOI
• Look up / retrieve metadata based on defined criteria
• Get everything
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Have a DOI?
Metadata Search ( https://search.crossref.org )
REST API
XML API
OpenURL
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XML metadata records!
XML API: http://doi.crossref.org/search/[email protected]&format=unixsd&doi=10.1162/152651601750079104
OpenURL:
https://www.crossref.org/[email protected]&format=unixsd&id=doi:10.1162/152651601750079104&noredirect=true
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Registered metadata
DOI
Crossref-generated metadata
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Match reference to record/DOI!
Metadata?
Exact match: - XML API (need to mark up)
Needs evaluation: - Metadata Search - REST API
Formatted reference?
Exact match: - Simple Text Query form - XML API (some limitations)
Needs evaluation: - Metadata Search - REST API
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Needs evaluation:!- not always exact !
- will return approximate results!
- will also return other stuff !
Good for: !finding approximate results, working with messy data, evaluating matches on your own!
Exact:!- field-by-field match!
- match or no match at all!
Good for: !auto-populating lists of references!
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Simple Text Query form!
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XML API!
• Match references to DOIs • Login required but most
queries are free • Good for reference linking
HTTPS
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XML API!
<query key="CR3" enable-multiple-hits="false" forward-match="true” secondary-query="author-title"> <journal_title>Antiquity</journal_title> <author search-all-authors="true">Anderson</author> <volume>87</volume> <issue>337</issue> <first_page>879</first_page> <year>2013</year></query>
more info: https://support.crossref.org/hc/en-us/sections/202815006
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XML API!
<query enable-multiple-hits="false" key="key1"> <article_title match="fuzzy">Concluding remarks</article_title> <author search-all-authors="true">Somiari</author></query>
Author / title query
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XML API!
<query key="q1" enable-multiple-hits="true"> <unstructured_citation>Hungate, B. A., & Hampton, H. M. (2012). Ecosystem services: Valuing ecosystems for climate. Nature Climate Change, 2(3), 151-152.</unstructured_citation></query>
Unstructured citation
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OpenURL!
• Match metadata to DOIs • Free but login required
https://doi.crossref.org/openurl?issn=03770273&aulast=Walker&volume=54&spage=117&date=1983&redirect=false&pid=username:password
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• Search by title fragment, author name
• Find works related to an ORCID
• Search by ISSN
• Search by grant / award number
• Include / exclude terms (using + and !)
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REST API!
• Search, filter, facet, and sample Crossref metadata • No login, no fee • Do whatever you want with the metadata:
• Search • Report on funding, publishing, author activities • Ingest scholarly metadata • Locate full text for content mining
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All records for a prefix:http://api.crossref.org/prefixes/10.xxxx/works
All records with funder information: http://api.crossref.org/prefixes/10.xxxx/works?filter=has-funder-doi:true&rows=0
All records for a prefix with funder information:http://api.crossref.org/prefixes/10.xxxx/works?filter=has-funder-doi:true
All records with a given funder published in 2017:http://api.crossref.org/works?filter=is-update:true,from-pub-date:2017-01-01,funder:10.13039/100000001,funder:10.13039/100000050
All records with ORCIDs:https://api.crossref.org/works?filter=has-orcid:true
All records containing a given term: http://api.crossref.org/works?query=quokka
REST API (https://api.crossref.org)
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I want everything!
OAI-PMH • Deposit harvester (for members) • Enhanced CMS (subscription service)