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Intelligent support for activity management (ISAM): an architecture to support distributed supervisory control

Distributed supervisory control is the monitoring and control of complex, dynamic, highly automated systems by a team of human operators. As such, it is an example of a cooperative work environment. The goal of this paper is to analyze the nature of cooperative work in distributed supervisory control environments and describe implications for computer support. In particular, we argue that flexible support for activity management is a key requirement for computer support for distributed supervisory control, and we propose the intelligent support for activity management (ISAM) architecture as one infrastructure for doing so. The design and implementation of ISAM draws from previous work on intelligent operator's associate systems and computer-supported cooperative work (CSCW) systems. A graphical user interface to ISAM and an evaluation study of this system in the context of team supervisory control are also described.