Introduction to CrossRef Technical Basics Webinar

Patricia Feeney
Product Support Manager
Intro to CrossRef
Technical Basics

I. Depositing DOIs and metadata
II. Looking up DOIs
III. Maintaining DOIs and metadata

DOI = Digital Object Identifier
Uniquely identifies a digital
object
Solves link rot (broken links)

http://dx.doi.org/ + DOI = persistent URL
http://dx.doi.org/10.1155/2013/7275
39

CrossRef DOIs
Uniquely identifies a digital object
and the publisher maintained
version of an item
Solves link rot (broken links)
Citation (and other) metadata
Used for outbound linking

75,769,815 DOIs
Type # titles #DOIs % of total
Journals 41,305 58,538,114 77%
Books 646,117 9,814,568 13%
Proceedings 46,339 4,294,206 5%
Components* 2,093,025 2%
* figures, tables, supplemental materials
Also: Standards, Working Papers, Dissertations, Datasets
CrossRef Status Page

Basic citation metadata:
author (s), journal title, article title, volume, issue,
publication date, book title, chapter title, page
numbers, article IDs, internal identifiers, ISSN,
ISBN…
Optional (but recommended):
Funding information, ORCIDs, references (to
support cited-by linking), CrossMark metadata,
text and data mining license information,
relationships

Schema
Metadata deposit schema:
crossref4.3.6.xsd
crossref4.3.5.xsd
crossref4.3.4.xsd
crossref4.3.3.xsd
crossref4.3.2.xsd
crossref4.3.1.xsd
crossref4.3.0.xsd
More info: schema
recommended
supported (for now)

Resource schema:
doiresources4.3.6.xsd recommended
doiresources4.3.5.xsd OK
Query input schema: crossref_query_input2.0.xsd
More info: schema

<?xml version="1.0" encoding="UTF-8"?>
<doi_batch version="4.3.6"
xsi:schemaLocation="http://www.crossref.org/schema/4.3.
6
http://www.crossref.org/schema/deposit/crossref4.3.6.xs
d" xmlns="http://www.crossref.org/schema/4.3.6"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<head>
<doi_batch_id>123456</doi_batch_id>
<timestamp>2015011511345682</timestamp>
<depositor>
<depositor_name>Sample Master</depositor_name>
<email_address>support@crossref.org</email_address>
</depositor>
<registrant>CrossRef</registrant>
</head>
Deposit XML

<journal_metadata>
<full_title>American Journal of Meetings</full_title>
<abbrev_title>Am J Meet</abbrev_title>
<issn media_type='print'>4445-6767</issn>
</journal_metadata>
<journal_issue>
<publication_date media_type='print'>
<month>5</month>
<day>5</day>
<year>2001</year>
</publication_date>
<journal_volume>
<volume>33</volume>
</journal_volume>
<issue>1</issue>
</journal_issue>
Journal metadata

<journal_article publication_type='full_text’>
<titles> <title>Lets have a meeting</title></titles>
<contributors>
<person_name sequence='first' contributor_role='author'>
<given_name>Bob</given_name>
<surname>Surname</surname>
</person_name>
<publication_date media_type='print'>
<month>5</month> <day>9</day> <year>2001</year>
</publication_date>
<pages>
<first_page>100</first_page><last_page>200</last_page>
</pages>
<doi_data>
<doi>10.50505/test_200704082300</doi>
<resource>http://www.crossref.org/sampleurl</resource>
</doi_data>
Article metadata

<pages>
<first_page>335</first_page>
<last_page>375</last_page>
</pages>
<fr:program name="fundref">
<fr:assertion name="funder_name">IMA Funder
<fr:assertion
name="funder_identifier">http://dx.doi.org/10.13039/xxxxxxxxxx<
/fr:assertion>
</fr:assertion>
<fr:assertion name="award_number">HPC-227</fr:assertion
</fr:program>
<doi_data>
<doi>10.1007/s100970100032</doi>
<resource>http://www.newurl.org/1234356677777</resource>
</doi_data>

<doi_data>
<doi>10.1007/s100970100032</doi>
<resource>http://www.newurl.org/1234356677777</resource>
</doi_data>
<citation_list>
<citation key="key-10.9876/S0003695199034166-1">
<issn>0027-8424</issn>
<journal_title>Proc. Natl. Acad. Sci. U.S.A.</journal_title>
<author>West</author>
<volume>98</volume>
<issue>20</issue>
<cYear>2001</cYear>
</citation>
<citation key="key-10.9876/S0003695199034166-2">
<unstructured_citation>Hungate, B. A., & Hampton, H. M.
(2012). Ecosystem services: Valuing ecosystems for climate.
Nature Climate Change, 2(3), 151-152.</unstructured_citation>
</citation>

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submissionsubmission

Deposit interfaces
The vast majority of
transactions are made via
a machine interface
Public interface:
Web deposit form:
http://www.crossref.org/webDeposit/
System interface:
http://doi.crossref.org
HTTPS
More info: Deposit Basics

curl:
curl -F 'operation=doQueryUpload' -F 'login_id=USERNAME' -F
'login_passwd=PASSWORD' -F 'fname=@FILENAME' https://
doi.crossref.org/servlet/deposit.
HTTPS:
POST http://doi.crossref.org/servlet/deposit?
operation=doMDUpload&login_id=USER&login_passwd=PSWD&area=live HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*
Accept-Language: en-us Content-Type: multipart/form-data;
boundary=---------------------------7d22911b10028e
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312461)
Host: Myhost
Content-length: 1304 Pragma: no-cache
-----------------------------7d22911b10028e
Content-Disposition: form-data; name="fname";
filename="crossref_sample.xml"
<doi_batch version="4.3.0" xmlns="http://www.crossref.org/schema/4.3.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.crossref.org/schema/4.3.0
http://www.crossref.org/schemas/crossref4.3.0.xsd">
<head>
…

Submission queue
More info: Submission queue

<doi_batch_diagnostic status="completed" sp="cr6.crossref.org">
<submission_id>426240380</submission_id>
<batch_id>12009_DOIs_unreg_2007-09-21</batch_id> <record_diagnostic status="Success">
<doi>10.1385/AO:38:1:8</doi>
<msg>Success</msg>
</record_diagnostic>
<record_diagnostic status="Failure" msg_id="22">
<doi>all doi's of the current journal element</doi>
<msg>ISSN "15304086" has already been assigned to a different title/publisher/genre</msg>
<record_diagnostic status="Warning">
<doi>10.3386/w11255</doi>
<msg>Added with conflict</msg>
<conflict_id>354709</conflict_id>
<dois_in_conflict>
<doi>10.1596/1813-9450-3622</doi>
</dois_in_conflict>
<batch_data>
<record_count>3</record_count>
<success_count>1</success_count>
<warning_count>1</warning_count>
<failure_count>1</failure_count>
</batch_data>
</doi_batch_diagnostic>
<batch_data>
<record_count>3</record_count>
<success_count>1</success_count>
<warning_count>1</warning_count>
<failure_count>1</failure_count>
</batch_data>
Submissio
n report
Submissio
n report
More info: tracking submissions

Deposit problems
 XML errors (files do not parse)
 System errors
 Warnings
Test system: http://test.crossref.org
More info: Interpreting submission logs

Thanks!
Where
is my
DOI?
Researcher
Publisher who did not review
their submission log
CMS subscriber
Member querying for
outbound links
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submissionsubmission
Submissio
n report
Submissio
n report
CrossRef
System
CrossRef
System

Display CrossRef DOIs as a URL
Include CrossRef DOIs on response pages
(required), TOCs, abstracts, PDFs, citation
downloads, metadata feeds, social network
links
Do not publicize DOIs until links are live

Outbound Reference Linking
Outbound linking

DOI guidelines
http://www.crossref.org/02publishers/doi_display_guidelines.html
Ghosh, M.K., M.L. Harter. 2003. A viral mechanism for remodeling chromatin
structure in G0 cells. Mol. Cell. 12:255–260,
http://dx.doi.org/10.1016/S1097-2765(03)00225-9
structure in G0 cells. Mol. Cell. 12:255–260, http://doi.org/bm6
structure in G0 cells. Mol. Cell. 12:255–260
http://dx.doi.org/10.1016/S1097-2765(03)00225-9
structure in G0 cells. Mol. Cell. 12:255–260
structure in G0 cells. Mol. Cell. 12:255–260, CrossRef.
structure in G0 cells. Mol. Cell. 12:255–260, Article.

Public interfaces:
SimpleText Query
CrossRef Metadata Search
http://doi.crossref.org
Machine interfaces:
HTTPS POST or GET
OpenURL
OAI-PMH (for CMS subscribers)
api.crossref.org (for searching)
More info: How Querying Works
Query and search interfaces

SimpleText Query
DOI match!
DOI match!

<query key="CR3>
<journal_title>Antiquity</journal_title>
<author>Anderson</author>
<volume>87</volume>
<issue>337</issue>
<year>2013</year>
</query>
Query xml
<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>
<year>2013</year>
</query>
More info: XML querying
Query controls

Author/title query
<query enable-multiple-hits="false" key="key1">
<article_title match="fuzzy">Concluding
remarks</article_title>
<author search-all-authors="true">Somiari</author>
</query>
<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 citations

http://doi.crossref.org/servlet/query?
usr=<USERNAME>&pwd=<PASSWORD>&qdata=<?xml
version="1.0"?><query_batch version="2.0"
xsi:schemaLocation="http://www.crossref.org/qschema/2.0
http://www.crossref.org/qschema/crossref_query_input2.0
.xsd" xmlns="http://www.crossref.org/qschema/2.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-
instance"><head><email_address>support@crossref.org</em
ail_address><doi_batch_id>ABC_123_fff</doi_batch_id>
</head> <body> <query key="1178517" enable-multiple-
hits="false" forward-match="false"><issn
match="optional">15360075</issn><journal_title
match="exact">American Journal of
Bioethics</journal_title><author match="fuzzy" search-
all-authors="false">Agich</author><volume
match="fuzzy">1</volume><issue>1</issue><first_page>50<
/first_page><year>2001</year><article_title>The
Salience of Narrative for
Bioethics</article_title></query></body></query_batch>

15265161,15360075|American Journal of Bioethics|Agich|
1|1|50|2001|full_text|1178517|
10.1162/152651601750079104
metadata

Update and maintaining metadata
URL update
H:email=pfeeney@crossref.org;fromPrefix=10.5555;toPrefix=10.5555
10.5555/doi1 http://www.yoururl.com/journal/art1
There is no charge for updating your DOIs – we
encourage you to update them as often as needed.
Updating metadata
To make changes to your metadata, resubmit your entire deposit.

article metadata
Components
As-crawled
URLs
Multiple
Resolution
CrossMark FundRef AccessIndicator
s
Citations
URL

URLs (manual)
Multiple Resolution URLs
As-crawled URLs
Citations
CrossMark
FundRef
AccessIndicators
Relationships
Components (uses metadata deposit schema)
More info: Resource deposits
CSV upload
Add or update:

Maintaining Journal Titles
 Title and ISSN combinations are determined by the publisher.
 A valid ISSN is required for all journal titles
 The title / ISSN combination in your deposit must match the title / ISSN
combination in our system.
 If a title changes, a new ISSN is required
 Journals should be deposited under the original title
Title list: http://www.crossref.org/titleList/

Do not create new DOIs if DOIs already exist!
A DOI prefix indicates who created the DOI, not who owns the DOI
It’s just a way to make sure DOIs are unique across registrants
When you acquire a title, you’ll probably acquire existing DOIs.
Acquired DOIs should be redirected to your content
Title transfer policies: http://help.crossref.org/#ID5855

Recurring reports:
 Resolution Report (email)
As-needed reports:
 Conflict
 DOI Error Report (email)
 Schematron Report (email)
Always available:
 Depositor Report
 Status Report
 Go-live report
 Title list
Tools
 XML Parser
 Test system: http://test.crossref.org
 Deposit Harvester
Reports!

The overall resolution failure rate for all publishers is 4.1896%
and your failure rate is 6.0445%.

 compiled from reports submitted by end users
 emailed nightly to technical contact
DOI Error report (emailed nightly as needed)
Reasons for DOI Error:
 a DOI has been published but not deposited
 the published DOI does not match the deposited DOI
 the end user misinterpreted or mistyped a DOI (i.e.
confusing 1 for l or 0 for O)

Conflict report
Why are conflicts bad?
 Only one DOI should be assigned per item
 Queries will return multiple DOIs, causing confusion
 Some queries (OpenURL) may not return a DOI if multiple results
are present
 Conflicts between two DOIs often result in one of the DOIs being
neglected

Conflict reports (in Members Area)
More info: Conflict Report

Where to find help:
 Help documentation: http://help.crossref.org
 CrossRef support: email support@crossref.org or visit
http://support.crossref.org
 Webinars:
http://www.crossref.org/01company/webinars.html
Staying up to date:
 Twitter: crossrefsupport
 Announcements forum: subscribe via RSS or email
 CrossRef Labs: new and experimental tools and initiatives

Questions?
Technical support: support@crossref.org
Membership support: info@crossref.org

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