Veit Schwartze Sebastian Feuerstack Sahin Albayrak Behavior-Sensitive User Interfaces for Smart Environments. 305-314 2009 HCI (11) http://dx.doi.org/10.1007/978-3-642-02809-0_33 conf/hci/2009-11 db/conf/hci/hci2009-11.html#SchwartzeFA09