The simple co-authorship network is in the file "aviz.el"
It contains one edge per line with two author names separated by a semicolon.
This file is generated from the XML file extracted from the HAL database.
The XML file is "aviz.xml"
The python script to generate "aviz.el" from "aviz.xml" is available in the file "hal2el.py"
To generate the file "aviz.el" from "aviz.xml", run the script like that:
   python hal2el.py aviz.xml > aviz.el

To get the XML file from HAL, run the python script "aviz_get.py" like that:
   python aviz_get.py > aviz.xml

You can modify the scripts to extract other data from HAL, to generate other graphs or other formats.
