Asymmetric effects of online consumer reviews

Marketing Implications of Online Consumer Product Reviews

The Dynamics of Online Consumer Reviews

The significance of online consumer reviews has been increasingly acknowledged by both practitioners and researchers. These reviews are commonly used by consumers as a proxy for product quality in making purchase decisions. An implicit assumption behind their use is that the review ratings reflect consumers’ private evaluations of product quality. In this paper, we question this underlying assu...

Discovering aspects of online consumer reviews

In this paper we propose a fully unsupervised approach for product aspect discovery in on-line consumer reviews. We apply a twostep hierarchical clustering process in which we first cluster words representing aspects based on the semantic similarity of their contexts and then on the similarity of the hypernyms of the cluster members. Our approach also includes a method for assigning class label...

Fraud detection in online consumer reviews

Available online 18 August 2010

Modeling Consumer Learning from Online Product Reviews

W propose a structural model to study the effect of online product reviews on consumer purchases of experiential products. Such purchases are characterized by limited repeat purchase behavior of the same product item (such as a book title) but significant past usage experience with other products of the same type (such as books of the same genre). To cope with the uncertainty in quality of the ...