Hi, as I still don't have 'People who viewed this page also viewed' in my site due to being intolerably slow (http://cdsware.cern.ch/lists/project-cdsware-users/archive/msg00742.shtml), I've accidentally found this entry that might help:
http://en.wikipedia.org/wiki/Slope_One (Not me, unfortunately. I'm overwhelmed with the fascinating work of migrating our ILS...) Ferran