This feature contains nodes of the Keras integration of KNIME Deep Learning.
Extension 
KNIME Deep Learning - Keras Integration
Included nodes & related workflows
Legal
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Update site information
KNIME Analytics Platform 4.4 Update Site, Version 4.4.0
http://update.knime.com/analytics-platform/4.4
In case you can’t install the extension via drag & drop, please check that the update site is activated.