#Big_Data Hype (and Reality) - Gregory Piatetsky-Shapiro - Harvard Business Review
►http://blogs.hbr.org/cs/2012/10/big_data_hype_and_reality.html
les espoirs de prédire les comportements par les #données se cassent rapidement les dents sur l’imprévisibilité fondamentale de l’humain
The winning algorithm was a very complex ensemble of many different approaches — so complex that it was never implemented by Netflix. With three years of effort by some of the world’s best data mining scientists, the average prediction of how a viewer would rate a film improved by less than 0.1 star.
►http://blogs.hbr.org/cs/assets_c/2012/10/piatetskychart-thumb-372x181-2509.jpg
