@inproceedings{Venta-Olkkonen:2013:WED:2541831.2541878,
 author = {Vent\"{a}-Olkkonen, Leena and Kinnula, Marianne and Dean, Graham and Stockinger, Tobias and Z\'{u}\~{n}iga, Claudia},
 title = {Who's There?: Experience-driven Design of Urban Interaction Using a Tangible User Interface},
 booktitle = {Proceedings of the 12th International Conference on Mobile and Ubiquitous Multimedia},
 series = {MUM '13},
 year = {2013},
 isbn = {978-1-4503-2648-3},
 location = {Lule\å, Sweden},
 pages = {49:1--49:2},
 articleno = {49},
 numpages = {2},
 url = {http://doi.acm.org/10.1145/2541831.2541878},
 doi = {10.1145/2541831.2541878},
 acmid = {2541878},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {connected cities, experience-driven design, public displays, tangible user interfaces},
}