IISI – Internationales Institut für Sozio-Informatik
Stiftsgasse 25
53111 Bonn

fon  +49 (0) +228 6910-43
fax  +49 (0) +228 6910-53
mail iisi(at)

management IISI:

Dr. Markus Won
Dipl.-Inform. Jens Rinne


The GROUP e.V.
Stiftsgasse 25
53111 Bonn

ssociation register: Bonn VR 7725

Vorstand The GROUP e.V.:

Prof. Dr. Volkmar Pipek
Prof. Dr. Claudia Müller


References and links

IISI is not responsible for any contents linked or referred to from his pages – unless he has full knowledge of illegal contents and would be able to prevent the visitors of his site fromviewing those pages. The provider of the page to which reference is made, and not the person who merely refers to the respective publication via links, is solely liable for further contents and in particular for damages arising from the use or non-use of information presented in this way. This restriction also applies to external entries in guest books, discussion forums and mailing lists set up by the author.


IISI endeavours to observe the copyrights of the graphics, sound documents, video sequences and texts used in all publications, to use graphics, sound documents, video sequences and texts created by IISI itself or to fall back on license-free graphics, sound documents, video sequences and texts. The copyright for published objects created by IISI itself remains solely with IISI. Any duplication or use of objects such as diagrams, sounds or texts in other electronic or printed publications is not permitted without IISI’s agreement.

Legal validity of this disclaimer

This disclaimer is to be regarded as part of the internet publication which you were referred from. If sections or individual terms of this statement are not legal or correct, the content or validity of the other parts remain uninfluenced by this fact.

Prof. Dr. Volkmar Pipek |

Dr. Markus Rohde |”>rohde(at)