DataMining ch2 计算机科学

Chapter 2: Collaborative filteringI like what you likeWe are going to start our exploration of data mining by looking at recommendation systems. Recommendation systems are everywhere—from Amazon:to last.fm recommending music or concerts:In the Amazon example, above, Amazon combines two bits of information to make a recommendation. The first is that I viewed The Lotus Sutra translated by Gene Reeves; the second, that customers who viewed that translation of the Lotus Sutra also viewed several