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DOI, open access, reusability

What is a DOI?

A DOI (Digital Object Identifier) is a persistent identifier for a digital object on the Internet. 

Persistent identifiers enable an unambiguous and permanent address for digital resources. Unlike standard web URLs, they distinguish between the identification and the address of a resource. A resolving mechanism ensures that a resource can still be accessed even when its physical location has changed.

Other examples of common persistent identifiers are e.g. Handle or URN. 

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How are DOIs assigned?

A digital object identifier (DOI) is automatically assigned as soon as you upload your dataset in DepositOnce. This allows you to enter it in your publication or cite it even before your document or dataset is published.

Please note that your dataset is not yet published when you have uploaded it. The dataset is initially stored in a temporary storage and is only published after a qualitative check of the metadata by the SZF team. You will be informed by email about the publication. Please contact the SZF team with any questions you may have. 

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What does a DOI refer to - a dataset or a file?

A DOI always refers to a dataset. If, for example, you upload a ZIP file, a DOI will be assigned to the ZIP file but not to the individual files in the ZIP file.

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Open access - is data really freely accessible?

DepositOnce is committed to the idea of open access. For TU Berlin, it is a tool to achieve the goals of open access as defined in the Open Access Policy of TU Berlin and the Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities. 

  • The metadata in DepositOnce is generally freely accessible.
  • Publications are also generally freely accessible and, where possible, are licensed under a Creative Commons license (see Guidelines for DepositOnce).
  • For research data, an embargo can be set.

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Can I assign an embargo to my research data?

Yes, you can assign an embargo to your research data.

Embargo means: The metadata including the DOI is available on the Internet from the time of publication and your research data can be cited. The research data itself, however, is not freely accessible on the Internet.

When the embargo has expired, the research dataset is automatically released and is then freely accessible on the Internet. 

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How do you search for data published in DepositOnce?

DepositOnce is accessible and searchable on the Internet without registration or access restrictions. This means that all metadata and publications as well as the research data which has not been assigned an embargo can be searched at any time.

As DepositOnce uses standard interfaces (OAI, SWORD), the metadata can be searched automatically in global search engines and other reference systems (e.g. Google Scholar, BASE, DataCite, and TU Berlin’s Primo knowledge portal).

 

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