User modeling is a subdivision of human–computer interaction and describes the process of building up and modifying a user model. The main goal of user modeling is customization and adaptation of systems to the user's specific needs. The system needs to "say the 'right' thing at the 'right' time in the 'right' way". To do so it needs an internal representation of the user. Another common purpose is modeling specific kinds of users, including modeling of their skills and declarative knowledge, for use in automatic software-tests. User-models can thus serve as a cheaper alternative to user testing.
Read more about User Modeling: User Model, Data Gathering, Data Evaluation and System Adaptation, Usages, Standards For Representing User Information, See Also
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