Predicting Sequences of User Actions

Brian D. Davison and Haym Hirsh

People display regularities in almost everything they do. This paper proposes characteristics of an idealized algorithm that, when applied to sequences of user actions, would allow a user interface to adapt over time to an individual’s pattern of use. We describe a simple predictive method with these characteristics and show its predictive accuracy on a large dataset of UNIX commands to be at least as good as others that have been considered, while using fewer computational and memory resources.

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