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priVAcy preserviNg federaTed leArninG infrastructurE for Secure Insight eXchange
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The growing complexity of cancer diagnosis and treatment requires data sets that are larger than currently available in a single hospital or even in cancer registries. However, sharing patient data is difficult due to patient privacy and data protection needs. Federated learning technology has the potential to overcome these limitations. In this approach, organizations can collaborate by exchanging aggregated data and/or statistics while keeping the underlying data safely on site and undisclosed. This repository contains software (and instructions) to setup a federated learning infrastructure.

For an overview of the architecture and information on how to use the infrastructure, please see For documentation, please see

Hardware and software requirements


Running the central server requires a (virtual) machine that:

  • is accessible from the internet
  • has Python 3.6+ and the ppdli package installed (pip install ppdli)


Running a node/site requires a (virtual) machine that has:

  • Python 3.6+ and the ppdli package installed (pip install ppdli)
  • Docker CE installed (the user running the node software needs to have the proper permissions to perform docker commands)
  • Access to a local data store
  • Access to the internet and/or central server


See the documentation for detailed instructions on how to install the server and nodes.

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