Learning to rank challenge from Yahoo !

Yahoo ! learning to rank challenge starts this March 1st. It will be exciting to see folks around the world present their innovative ranking algorithms may be i can think of one too :) .

Is this a move to take down the mighty Google Page Rank algorithm and Google as large ? http://en.wikipedia.org/wiki/PageRank

I think Microsoft will keep an eye on this.

Keep a tab on http://learningtorankchallenge.yahoo.com/