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Open Access

Open Content Licenses

In the context of open access, socalled open content licenses are used for publication and are defined as standardized licensing models in which copyright holders determine under which specific conditions and in which way their work can be reused. Copyright thus is not restricted in any way.



The most common models used in science and research for text works are Creative Commons licenses or the Digital Peer Publishing License. For data of any kind, an Open Data Commons license can be used.


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Creative Commons

Creative Commons licenses consist of individual module components by which the appropriate license can be assembled. They can be assigned to text works, graphics, sound recordings and multimedia. It is important to choose licenses that are as free as possible (CC 0, CC-BY or CC-BY-SA), as long as there are no evident reasons not to do so.

These licenses can also be used to define the reuse conditions of Open Educational Resources, for example. More restrictive models encompass many restrictions on a potential reuse – authors often choose these other more restrictive models unintentionally.

Open Source Licenses

Free software is licensed via open source licenses. The most common are the MIT-Lizenz, the Apache-Lizenz, and the 3-Clause BSD-Lizenz.