I thought so as well until I reflected for a moment. But if you include the top N from every combiner, then you are guaranteed to have the global top N in the output of all of the combiners.
On 3/6/08 11:50 PM, "Owen O'Malley" <[EMAIL PROTECTED]> wrote: > > On Mar 6, 2008, at 5:02 PM, Ted Dunning wrote: > >> I don't know if the combiner sees things in >> order. IF it does, then you can prune on both levels to minimize data >> transfer. > > The input to the combiners is sorted. However, when filtering to the > top N, you need to be careful to include enough that the partial view > doesn't distort the global view. > > -- O
