1. Duan, W., Gu, B., Whinston, A.B.: Do online reviews matter? - an empirical investigation of panel data. Decis. Support Syst. 45, 1007–1016 (2008)
2. Huang, T., Zeng, G., Xiong, H.: Trustworthy sort method for shopping customer reviews based on correlation degree with product features. J. Comput. Appl. 08, 2322–2327+2341 (2014)
3. Huang, A.H., Yen, D.C.: Predicting the helpfulness of online reviews—a replication. Int. J. Hum. Comput. Interact. 29(2), 129–138 (2013)
4. Fang, J., Pu, D., Bai, S.: Research and implementation of text categorization system based on VSM. Appl. Res. Comput. 09, 23–26 (2001)
5. Guo, Q., Li, Y., Tang, Q.: Similarity computing of documents based on VSM. Appl. Res. Comput. 11, 3256–3258 (2008)