1. Alaei, A. R., Becken, S., & Stantic, B. (2019). Sentiment analysis in tourism: capitalizing on big data. Journal of Travel Research, 58(2), 175-191.
2. Asakura, Y., & Iryo, T. (2007). Analysis of tourist behaviour based on the tracking data collected using a mobile communication instrument. Transportation Research Part A: Policy and Practice, 41(7), 684-690.
3. Batty, M. (1990). Invisible cities. Environment and Planning B: Planning and Design, 17(2):127-130.
4. Batty, M. (1997). The computable city. International PlanningStudies, 2(2):155–173.
5. Bawa-Cavia, A., 2011. Sensing the urban: using location-based social network data in urban analysis. In: The first workshop on pervasive urban applications (PURBA), 12–15 June, San Francisco, CA.