Do I need to be a CrossRef member to join CrossCheck?
Yes, the CrossCheck service is only available to members who are depositing DOIs with CrossRef.
What technology are you using to provide this service?
CrossRef has partnered with leading plagiarism screening systems vendor iParadigms to create the CrossCheck database and to use their iThenticate tool for checking documents against the database. As a CrossCheck member you will need to sign a license with iParadigms to use their system; this license has been fully reviewed and approved by CrossRef and several of its member publishers and should not require any additional negotiation.
What is the difference between CrossCheck and iThenticate?
CrossCheck is a plagiarism screening service that uses the iThenticate text comparison software from iParadigms. CrossCheck is a service for scholarly and professional publishers, and publishers must join CrossRef or be an existing CrossRef member to participate. Other organizations and individuals can use the iThenticate service directly.
CrossCheck members benefit from a tailored service that includes read-only access to the full text of articles in the CrossCheck database for comparison purposes, discounted checking fees and unlimited user accounts per organization. CrossCheck participants also benefit from membership of the CrossCheck community of publishers and are encouraged to display CrossCheck logos to show their participation in the project and deter potential plagiarists.
Authors and researchers can pre-screen manuscripts or dissertations using iThenticate to ensure that they have attributed all sources and are not inadvertently misappropriating content. This is a separate service to CrossCheck and is optional, but can help to ensure that sources are correctly cited ahead of submission Visit http://research.ithenticate.com/ to learn more.
How will my content be indexed?
Your content will be crawled in much the same way that a search engine would index your full text, but rather than crawling your entire site the CrossCheck crawler uses a site map of deposited DOIs to locate content and start crawling at your DOI landing page, or directly at the full text if you have registered "as-crawled" URLs with CrossRef. Upon arrival at the DOI landing page the crawler needs to be redirected to full text. Further information on how to do this can be found on the CrossCheck Indexing page.
If you have a very large amount of content to be indexed it may be possible to arrange for an FTP upload in place of crawling; please contact us for further information.
How do I check a document for possible plagiarism?
To check a document for possible plagiarism you simply upload the document using the web-based iThenticate tool and choose whether to check it against just the CrossCheck database, or additionally iThenticate's database of other proprietary content and/or the open web. The system will then produce a "similarity report". This report shows the percent of the document that matches other content in the database, where that content comes from, and the matching content itself; information that a human can then use to make a judgement on whether there has in fact been a case of plagiarism. Uploading a document to iThenticate does not add the document to the CrossCheck database, and you can delete the document from the system upon completion of the similarity screening.
An CrossCheck user manual (PDF 3.6 MB) is also available to download.
What do I do if I find a case of possible plagiarism?
Each organization is likely to have their own protocols and procedures for dealing with misconduct, but there are also several other resources available. See our list of useful resources and guidelines.
What is the definition of a "document"?
Documents submitted for checking are defined to be article or chapter length works of no more than 50 pages. (Note: documents submitted for checking do not get stored or included in the database and can be deleted after checking via the iThenticate interface).
How does CrossCheck work with manuscript tracking systems?
Manuscript tracking vendors are encouraged to integrate CrossCheck into their manuscript tracking systems in a way that is flexible enough for the publishers to use CrossCheck where they see fit in their editorial process. CrossRef is currently meeting with manuscript tracking vendors to discuss how to best integrate CrossCheck. A comprehensive API guide is available, or vendors can contact firstname.lastname@example.org
What do researchers and scholars need to know about CrossCheck?
Please see this page for more information on how plagiarism screening helps researchers.
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