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ective approach User interface modeling Journal of Organizational and End User Computing Acorn User User-Mode Driver Framework Z User Group User error User intent Atari ST User User-defined function Attentive user interface User environment management Principles of user interface design User activity monitoring Persona (user experience) Unique user Windows USER Console user interface Multi-user dungeon Linux User and Developer First-time user experience History of the graphical user interface Web User Multi-user MIMO Natural-language user interface Concurrent user Lead user Average revenue per user Reference and User Services Quarterly Browser user interface End-user computing MPEG user data User-Managed Access List of gr