Of course, after pruning to 50 lines per item, the size is linear in the number of items. The cost to get there may be quadratic, but the final size should be linear.
On Thu, Jun 21, 2012 at 4:55 PM, Sean Owen <[email protected]> wrote: > You just have a load of items. Any process that scales as the square > of the number of items is going to hurt when you get to millions of > them. A process based on user-user similarity, when there are 40M, is > only going to be much worse. >
