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neonion is a user-centered, web application for the collaborative annotation of texts developed at the Human-Centered Computing group at Freie Universität Berlin.

neonion supports semantic annotations and open standards but does not presuppose any knowledge about the technologies involved. It is the perfect fit for people who want their annotations to be exchangeable between different tools and projects. Moreover, your annotations can be connected to the linked data cloud.

You can try a demo of neonion. The usage is explained in the user's manual.


For neonion you need Python with Django installed. In addition, a set of tools and services is needed:

If you want to use ports other than the default ports you can change the environment settings under settings/.

Getting started

Create a virtualenv and install the dependencies for neonion:

virtualenv -p /usr/bin/python2.7 pyenv
source pyenv/bin/activate
pip install -r neonion/requirements.txt

Setup neonion and startup the server:

source pyenv/bin/activate
cd neonion
curl -XPUT -H'Content-Type: application/json' '' -d @mapping.json
python migrate
python loaddata fixtures/*
python runserver

You should now see something like:

Django version 1.7, using settings 'settings.development'
Starting development server at

Open your browser and navigate to By default there are two predefined accounts [email protected] and [email protected]. Both have the default password neonion but different rights.

Import the knowledge base from Wikidata

When neonion is running you can import the provided person data with:

source pyenv/bin/activate
cd neonion
python common/knowledge/wikidata/ -f elasticsearch/wikidata/



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