These don't come into play, directly, in collaborative filtering. You can carry them around and do whatever you like with them, separately.
On Tue, Aug 30, 2011 at 8:02 AM, Lance Norskog <goks...@gmail.com> wrote: > The GroupLens & other datasets come with separate itemID->movie name/genre > and userID->zipcode. How would you carry around separate "side" datamodels > like these? > > It then becomes interesting to create separate things like 'userID->median > rating', itemID->count of ratings. Clusters of rating events with the same > timestamp also sounds really intriguing. > > Lance > >
