Søren E. Jespersen Jesper Thorhauge Torben Bach Pedersen A Hybrid Approach to Web Usage Mining. 73-82 2002 conf/dawak/2002 DaWaK http://link.springer.de/link/service/series/0558/bibs/2454/24540073.htm db/conf/dawak/dawak2002.html#JespersenTP02