On 15/08/2010 18:29, Sebastian Schelter wrote:
What talk about is actually not a bug, if there are no co-rated items it's absolutely logical that nothing can be recommended. In a real world application you would maybe want to show the user the latest or overall top-rated items as a workaround (just to show them something).
Thanks, it's true for neighbourhood based algorithms, but SVD could still give you results.
Tamas
