MONET Save
European Network of Excellence in Model Based Systems and Qualitative Reasoning (MBS & QR). Publications, resources and meetings.
http://monet.aber.ac.uk   

Qualitative Reasoning Research at UTexas Save
Qualitative Reasoning Research at UTexas which has one of the premier QP research centers
http://www.cs.utexas.edu/users/qr/   

Help build the largest human-edited directory of the web
Suggest a site | Open Directory Project | Become an editor