On Thu, Feb 25, 2010 at 11:50 AM, Ted Dunning <ted.dunn...@gmail.com> wrote: > > The hardest part will be to find reasonable data with > 4 billion non-zero > entries. At 0.01% sparsity, this is roughly a square matrix with 5 million > rows and columns. > > Jake, your social graph should be much larger than that. >
And thinking further, yes, the social graph itself is big, but more importantly the profile text is also way WAY bigger than that, if we wanted to do a monster sized LSI test. Hmmm... -jake