1. Chenoweth, R. (1984). Visitor-Employed Photography: A Potential Tool for Landscape Architecture. Landscape Journal 3(2): 136–143.
2. Girardin, F., Fiore, F. D., Blat, J. & Ratti, C. (2007). Understanding of tourist dynamics from explicitly disclosed location information. In G. Gartner, W. Cartwright and M. Peterson (Eds.), 4th International Symposium on Location Based Service and Telecartography.
3. Kurashima, T., Tezuka, T. & Tanaka, K. (2005). Blog Map of Experiences: Extracting and Geographically Mapping Visitor Experiences from Urban Blogs. In A. Ngu, M. Kitsuregawa, E. Neuhold, J. Chung and Q. Sheng (Eds.), 6th International Conference on Web Information Systems Engineering, Lecture Notes in Computer Science 3806.
4. Hollenstein, L. & Purves, R. (2010). Exploring Place through User-Generated Content: Using Flickr Tags to Describe City Cores. Journal of Spatial Information Science 1: 21–48.
5. Kurata, Y. (2011). CT-Planner2: More Flexible and Interactive Assistance for Day Tour Planning. In R. Law, M. Fuchs, and F. Ricci (Eds.), ENTER 2011, Information and Communication Technologies in Tourism.