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Urban computing is an emerging field of study that focuses on the use of technology in public environments such as cities, parks, forests and suburbs. It also studies the interaction between humans and such environments, which is becoming increasingly common as access to computing devices extends beyond home and office. This is a multidisciplinary field connected by artists, architects, urban planners, geographers, social scientists & interaction designers. 
The term was coined and first used in 2003 by Eric Paulos and introduced in his paper on Familiar Strangers  and a related workshop he co-organized to introduced the concept titled "UbiComp in the Urban Frontier" at the 2004 UbiComp Conference.
- Citizen Science: Enabling Participatory Urbanism Eric Paulos, R.J. Honicky, and Ben Hooker Handbook of Research on Urban Informatics: The Practice and Promise of the Real-Time City. Hershey, PA: Information Science Reference, IGI Global. Edited by Marcus Foth, IGI Global, 2008
- Eric Paulos and Elizabeth Goodman. 2004. The familiar stranger: anxiety, comfort, and play in public places. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '04). ACM, New York, NY, USA, 223-230. DOI=10.1145/985692.985721 http://doi.acm.org/10.1145/985692.985721