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Understanding Crossref Metadata

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Metadatawhat is it?

Chuck KoscherDirector of Technology

its made up of many parts

`

Basic Bibliographic

(mandatory)References

(highly encouraged)Abstracts(optional)

Crossmark(optional)

Programs (optional)

Funding dataLinked clinical

trialsLicensing

Relations

ResourcesMultiple

ResolutionText & Data

MiningCrawler support

Together they form a very rich set of metadata that enables a diverse community to implement many tools and services

Individually they support specific Crossref features

Basic Bibliographic

(mandatory)

what this publisher did

what would have better

Basic Bibliographic

(mandatory) Supports discoverability

References(highly

encouraged)

References(highly

encouraged)Three ways to include a reference in your XML

3) As text reference <citation key="2697_CR10"> <unstructured_citation>British Standard. Chemical methods- Extraction of trace elements soluble in aqua-regia. BS 7755-3.9: 1995 ISO 11466 1995</unstructured_citation> </citation>

1) As a metadata query <citation key="459_CR8">

<journal_title>Mon Weather Rev</journal_title><author>GJ Holland</author><volume>108</volume><first_page>1212</first_page><cYear>1980</cYear>

</citation>

2) As a DOI<citation key="ref10"> <doi>10.1037/13484-000</doi> </citation>

References(highly

encouraged)

• Increases traffic to your content• Builds a better experience for your readers• Enables citation research and analysis

Abstracts(optional) Enriches your

metadata

Crossmark(optional)

10.1107/S0907444906030915

Inform your readers

10.1107/S0907444906030915

Crossmark(optional) Inform your metadata

consumers

Programs are a way to segment Crossref metadata.

It’s a techie / geek thing

`

Programs (optional)

Funding data(optional) Identify the research

resulting from specific funding

Linked clinical trials

(optional) Enriches your metadata

Linked clinical trials

(optional)Uniform Trial NumberClinicalTrials.govISRCTN.orgAustralian New Zealand Clinical Trials RegistryGerman Clinical Trials RegisterChinese Clinical Trial RegistryBrazilian Clinical Trials RegistryNetherlands National Trial RegisterClinical Trials Registry IndiaUMIN JapanPan African Clinical Trial RegistrySri Lanka Clinical Trials RegistryJapan Medical Association Clinical Trial RegistryIranian Registry of Clinical TrialsClinical Research Information Service, Republic of KoreaCuban Public Registry of Clinical TrialsEU Clinical Trials RegisterJapan Primary Registries NetworkThai Clinical Trials Registry

10.18810/registries

Licensing(optional) Publicize your terms &

conditions

Licensing(optional) Publicize your terms of

use

Licensing(optional) http://www.niso.org/workrooms/ali/

Connect to other content

Relations(Optional)

After lunch

Host content in more than one place

After lunch

Multiple Resolution(optional)

Help the machines use your content

Text & Data Mining

(optional)Crawler support

(optional) 1

2

3

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<resource>http://link.springer.com/10.1245/s10434-016-5211-6</resource>

1

The normal landing page for the article, the place where people go.

<collection property="crawler-based" setbyID="springer"> <item crawler="iParadigms"> <resource mime_type="application/pdf"> http://link.springer.com/content/pdf/10.1245/s10434-016-5211-6.pdf </resource> </item>

2

Property=crawler : Tells us this is a link for machines which are crawling contentCrawler= iParadigms : Tells us this link is specifically for Crossref’s Similarity Checking vendormime_type = PDF : Tells the crawler what to expect at this link

3

Property=text-mining : Tells us this is a link for machines text miningmime_type = PDF : Informs the miner this is PDF mime_type = PDF : Informs the miner this is HTML

<collection property="text-mining" setbyID="springer"> <item> <resource mime_type="application/pdf”> http://link.springer.com/content/pdf/10.1245/s10434-016-5211-6.pdf </resource> </item> <item> <resource mime_type="text/html”> http://link.springer.com/article/10.1245/s10434-016-5211-6/fulltext.html </resource> </item></collection>

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NOTE! : Access controls may be imposed by the publisher, these links are not guaranteed to reach the content

Posted Content (aka preprints)

`

Published

Published versus Posted *

Mostly stuff that has an ISSN or ISBN where content items are grouped into publications

Two models to present content on-line

Posted Mostly stuff that has been accepted for posting to a platform or site that might organize postings into topics or subject groupings

(* but we’re not making a judgment about quality or value, we just need a way to organize stuff)

One type of posted-content : preprint

Specialized treatment, using relations, to notify the post-content host that a Version of Record has been published.

http://blog.crossref.org/2016/05/members-will-soon-be-able-to-assign-crossref-dois-to-preprints.html

Email notifies a VoR has been publishedCrossref has registered Version Of Record DOI for preprint: 10.50505/preprint_sample_doi_1

Thank you

Crossref.org

[email protected]@ckoscher