Tsur, O. and Rappoport, A. 2009. RevRank: A Fully Unsupervised Algorithm for Selecting the Most Helpful Book Reviews. Proceedings of the International AAAI Conference on Web and Social Media. 3, 1 (Mar. 2009), 154-161. DOI:https://doi.org/10.1609/icwsm.v3i1.13945.