Exploring the value of online product reviews in forecasting sales: The case of motion pictures
Chrysanthos Dellarocas1, Xiaoquan (Michael) Zhang2, - Neveen F. Awad3
Journal of Interactive Marketing
Volume 21, Issue 4, pages 23–45, Autumn (Fall) 2007
http://onlinelibrary.wiley.com/doi/10.1002/dir.20087/abstract
谢谢