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

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

Repository of papers on Machine Learning and Information Retrieval A collection of online papers about ML approaches to Information Retrieval. Maintained by R. Belew and J. Shavlik. http://www-cse.ucsd.edu/users/rik/MLIA.html