USEC User – Based Security Model
User-based Security Model USM
Role-based Security Model
content-based user profiling
FUNI Frame – Based User – to Network Interface
Individualized user model
multi-model user interface
pen based user interface
Pen-Based User Interface
pen-based user onterface
Sketch-Based User Interface
USAR User Security Authorization Record
user security verification routine
USER User System EvaluatoR
User-based collaborative filtering
User-User Signaling UUS