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  CALO: An Enduring Cognitive Assistant
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  Research :: Collaborative Human-Machine Interaction

Current human-computer interaction is "command-based": the user selects a command that the machine then executes. However, a more powerful interface would allow the human and computer to collaborate, and either one may take the initiative to further the interaction. The interactions are typically "need-based", that is, the user states a need and the machine helps address it.

To achieve this collaboration, more intuitive interfaces, such as natural language processing which captures the range of interactions that naturally occur in human dialogue, are critical. In addition, practical models which address problems such as intention recognition, planning in dynamic situations, and mixed-initiative interaction will improve the interfaces.

Progress in these areas will lead to revolutionary new human-computer interfaces that go beyond the traditional workstation model and become intelligent environments.