[Discover] Facette: Faceted Tagging for Delicious http://facette.csail.mit.edu/
(tool tagging greasemonkey delicious) 
[Discover] completesearch demo: dblp http://dblp.mpi-inf.mpg.de/dblp/ (facets dblp)
[Discover] Joho the Blog: Faceted classification at work http://www.hyperorg.com/blogger/mtarchive/faceted_classification_at_work.html#comments (facets library ncsu superpatron)
[Discover] stating the obvious: Notes on Photoshop Album http://www.theobvious.com/new/2003.09.24.html (facets classification sippey photoshop)
[Discover] completesearch demo: dblp http://dblp.mpi-inf.mpg.de/dblp/ (facets dblp)
[Discover] Joho the Blog: Faceted classification at work http://www.hyperorg.com/blogger/mtarchive/faceted_classification_at_work.html#comments (facets library ncsu superpatron)
[Discover] stating the obvious: Notes on Photoshop Album http://www.theobvious.com/new/2003.09.24.html (facets classification sippey photoshop)