The September 2016 update on Crossref's Similarity Check highlights branding changes, current statistics, and indexing method upgrades. The service, powered by iThenticate technology, has over 1,100 users and 52 million indexed content items, with enhancements for faster and safer indexing via full-text URLs. Key reminders for users include depositing full-text URLs in DOIs by December 31, 2016, and whitelisting Turnitin's IP range.

2. Similarity Check
Update
September 2016
Madeleine Watson
Product Manager
Crossref

3. Session overview
1 Branding change
2 Currents statistics
3 Indexing method upgrade
4 iThenticate developments
5 Q&A

4. What is Similarity Check?
A service powered by the iThenticate technology that is offered by
Crossref to it’s qualifying members.
1. Software that analyses and compares text
2. Database of content to check text against

5. 1. Branding change

6. Crossref Turnitin

7. Hello you!
Logo files are available from assets.crossref.org

8. 2. Similary Check state of play
Over 1100 users
52 million full-text content items indexed
196,000 titles
Average 326,046 manuscripts screened
every month

9. 3. Indexing upgrade
Indexing via full-text URLs you provide in your DOI XML is faster,
safer and more comprehensive that other methods.
Crossref
DOI
metadata
Turnitin’s
CIS
Similarity
Check
Database
iThenticate
OAI-PMH API

10. Key benefits of a single method
Reduced traffic to publisher servers
Reduced margin for error and simplified
issue recovery
Quicker turnaround on indexing with
fewer delays
Daily ingest, better than monthly!

11. Deposit as-crawled URLs in
your existing DOI XML by
31st Dec 2016
… and please remember to include this link in all your new DOI deposits

12. Already depositing as-crawled URLs?
Check http://www.crossref.org/06members/51depositor.html

13. How to enable as-crawled indexing
<doi_data>
<doi>10.5555/sampledoi</doi>
<resource>http://www.yoururl.org/article1_.html</resource>
<collection property="crawler-based">
<item crawler="iParadigms">
<resource>http://www.yoururl.org/article1_.html</resource>
</item>
</collection>
</doi_data>

14. Submit your links via the Web Deposit Form
http://www.crossref.org/webDeposit/
Use resource-only update to add links into existing DOIs in bulk via a single .csv upload

15. Remember to ensure your hosting domain whitelists Turinitin’s IP range:
38.111.147.69-78
174.47.2.71
67.203.85.111
Full technical instructions available on Crossref’s Help Site http://help.crossref.org/similaritycheck
Is your content subscription-
based?

16. Key points to remember
• Deposit full-text URLs in existing DOIs by 31st Dec 2016
• Include full-text URL in all new DOI deposits
• Check your Depositor_Journals report
• Whitelist Turnitin’s full IP range
• Let me know when you’re done!
• Need help? Email me at similaritycheck@crossref.org or read
our Help guide http://help.crossref.org/similaritycheck

17. 4. iThenticate developments
August 2016
User Interface can now be translated into
additional languages: German, French,
Italian, Spanish (Latin American),
Portuguese (Brazilian), Dutch, Simplified
and Traditional Chinese.
September – November 2016
New submission service
Improvements to the User Interface

18. Thank you
similaritycheck@crossref.org
help.crossref.org/similaritycheck
iThenticate billing and technical support
ccsupport@ithenticate.com
or