Important Notices

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Platform Transition

We have read and listened to your feedback. The results are in. It is time for a change!
Beginning 1 July 2024, the repository will transition to a new software platform that offers expanded options and benefits to authors and patrons.
Details will follow as the transition progresses.

Will the Sigma Repository remain open and free? Yes!
Is the Sigma Repository currently accepting submissions? Yes! There will be a brief pause on submissions during the data migration. Those dates will be listed here as soon as they are determined.
When will the transition be completed? The transition will be completed by the end of calendar year 2024.
Will registered users need to re-register once the transition is completed? Yes.
Will item record links (i.e., permanent handles) be carried over to the new platform. No.
Will item record statistics carry over to the new platform? No. We are working with the old vendor to capture this data. If authors need the historical information they should contact us at Repository@SigmaNursing.org.
Will groups who have collections, lose those collections? No.
Will the way in which groups participate in the Sigma Repository change? Yes, there will be expanded options. Visit the Group Participation Policies page to learn more!
Will item record Altmetric online mentions carry over? Yes!
What are the expanded benefits?

Increased browse options. Users will be able to search across all 600+ repositories hosted by Elsevier's Digital Commons.
Additional online influence tracking. Authors will have free access to both Altmetric (the current tracking option) and PlumX Metrics.
Scopus harvesting. Nursing materials currently contained in the Scopus database will be integrated into the Sigma Repository.
Peer Review. Groups that participate in the Sigma Repository will have the option to create and manage a site-specific open access journal to showcase their work.
Temporary Exhibits. Groups will have the option to highlight their materials in a curated museum-quality experience.

You don't have to register/login to browse the items in the Sigma Repository. It's true! Just start browsing and searching.
Most of the items in the Sigma Repository have attached files that are available to view immediately.
There are a few item records with files that are embargoed (i.e., locked down for a period of time). These files are designated with a closed lock symbol. They represent the minority of item files in this repository. Registering and logging in does not open these files. The files will open to the public on an individually preset date. Usually, 18 to 24 months after the posting date.