DataMining ch4 计算机科学

Chapter 4 Content Based Filtering & ClassificationClassification based on item attributesIn the previous chapters we talked about making recommendations by collaborative filtering (also called social filtering). In collaborative filtering we harness the power of a community of people to help us make recommendations. You buy Wolfgang Amadeus Phoenix. We know that many of our customers who bought that album also bought Contra by Vampire Weekend. So we recommend that album to you. I watch an e