Yinsheng Li, Haifeng Xie, Mu Zhu, Bing Dong, Kuo-Ming Chao. A collaborative travel service portal with multi-level authentication. In Marcos R. S. Borges, Weiming Shen, José A. Pino, Jean-Paul A. Barthès, Junzhou Luo, Sergio F. Ochoa, Jianming Yong, editors, Proceedings of the 13th International Conference on Computers Supported Cooperative Work in Design, CSCWD 2009, April 22-24, 2009, Santiago, Chile. pages 356-361, IEEE, 2009. [doi]
Abstract is missing.