Even just having this data to benchmark the SVD algorithms would be very interesting. Completely blinding both user id's and item id's should make anonymity safe, especially if time frame and source are not apparent.
On Wed, Apr 28, 2010 at 2:45 PM, Tolga Oral <[email protected]> wrote: > Also I miss-spoke about the dataset, I meant 120K unique users for 1200+ > items, number of ratings are in the millions. However this is one of the > smaller datasets (for number of items) we have, although it will be the > first one to get feedback data on. >
