Well these details are only a very, very simplified view of the job's
actual implementation, so it might confuse the readers.
And actually RowSimilarityJob is executing a kind of matrix
multiplication. If A is 0-1 matrix and we create AA' by summing outer
products, we end up with a computation that is very similar to the example.
On 03.02.2012 08:44, Lance Norskog wrote: