News aggregators have emerged as an important component of digital content ecosystems, attracting traffic by hosting curated collections of links to third party content, but also inciting conflict with content producers. Aggregators provide titles and short summaries (snippets) of articles they...

An important current trend in advertising is the replacement of traditional pay-per-exposure (aka pay-per-impression) pricing models with performance based mechanisms in which advertisers pay only for measurable actions by consumers. Such pay-per-action mechanisms are becoming the predominant...

Although many researchers in Information Systems and Marketing have studied the effect of product reviews on sales, few have looked at their effect on product returns. We hypothesize that, by reducing product uncertainty, product reviews affect the probability of product returns. We elaborate...

An important current trend in advertising is the replacement of traditional pay-per-exposure (pay-per-impression) pricing models with performance-based mechanisms in which advertisers pay only for measurable actions by consumers. Such pay-per-action (PPA) mechanisms are becoming the predominant...

Online Reputation Systems are a key, but under-appreciated, component of virtually every social web application. They play an important role in inducing user participation, good behavior and quality contributions. Despite their importance, however, their practical design and implementation has,...