Implicit Authentication through Learning User Behavior.

Elaine Shi Yuan Niu Markus Jakobsson Richard Chow Implicit Authentication through Learning User Behavior. 99-113 2010 ISC http://dx.doi.org/10.1007/978-3-642-18178-8_9 conf/isw/2010 db/conf/isw/isc2010.html#ShiNJC10