@inproceedings{vonZezschwitz:2016:QEP:3012709.3012729,
 author = {von Zezschwitz, Emanuel and Eiband, Malin and Buschek, Daniel and Oberhuber, Sascha and De Luca, Alexander and Alt, Florian and Hussmann, Heinrich},
 title = {On Quantifying the Effective Password Space of Grid-based Unlock Gestures},
 booktitle = {Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia},
 series = {MUM '16},
 year = {2016},
 isbn = {978-1-4503-4860-7},
 location = {Rovaniemi, Finland},
 pages = {201--212},
 numpages = {12},
 url = {http://doi.acm.org/10.1145/3012709.3012729},
 doi = {10.1145/3012709.3012729},
 acmid = {3012729},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {metric, password space, security, similarity, unlock pattern, user selection},
}