Date Added: May 2011
Recent statistics show that the number of online shoppers are increasing where the majority of them use online recommendation systems for product/service reviews. Although online reviews are becoming increasingly important, consumers face two major challenges of usability and robustness when they make purchase decisions based on the available reviews. More specifically, usability issues arise when consumers need to be able to extract relevant information given a high volume of data with uncertainty due to high variance. For robustness, judging the degree of truthfulness of the available recommendations can be a daunting task for consumers.