2 ms·
There is a whole literature about it. Check http://en.wikipedia.org/wiki/Discounted_Cumulative_Gain http://en.wikipedia.org/wiki/Discounted_Cumulative_Gain
by flavy 15y ago
There is a whole literature about it. Check http://en.wikipedia.org/wiki/Discounted_Cumulative_Gain http://en.wikipedia.org/wiki/Discounted_Cumulative_Gain