WedesignandexperimentwithaninnovativewaytoautomaticallygenerateproductprofilesfromAmazonreviews.UsingNLP,weextractopinionsfromeachreview,clustersthembytheirorientationthroughanunsupervisedlearning(k-means).Fromtheseclusteredopinions,weestimatetheproductprofilingkernelθandthepricingkern