No that's not my understanding of how the canonical item-based algorithm operates. I am still not sure what neighborhood you are thinking of -- neighborhood of what item?
On Fri, Feb 19, 2010 at 11:59 PM, jamborta <[email protected]> wrote: > > but generally speaking item-based recommendation is just > looking at the same problem from a different point of view. the centre of > the neighbourhood > is the target item. > > besides, restricting the neighbourhood size seems to improve performance.
