The Ultra Gleeper     http://www.crummy.com/software/UltraGleeper/     tags: recommendation OK/Cancel: Getting Personal     http://www.ok-cancel.com/archives/post/2005/01/getting_perso...     tags: recommendation Implicit Feedback for Recommendation Systems     http://www.wam.umd.edu/~jinmook/myPaper/oardMadison.pdf     tags: recommendation Using Trust in Recommender Systems: an Experimental Analysis     http://moloko.itc.it/paoloblog/papers/itrust2004/trust2004.h...     tags: recommendation The Ultra Gleeper: a Recommendation Engine for Web Pages     http://www.crummy.com/software/UltraGleeper/IntroPaper.html     tags: recommendation