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Autonomous agents can help users by taking on a substantial workload, and performing tasks that are too complex for a human. However, in some systems complete autonomy is undesirable as it removes control from the user. It is therefore important to include some user control while maintaining the reduced workload associated with an autonomous system. This is(More)
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BACKGROUND Approximately 6 million U.S. patients present to emergency departments annually with symptoms suggesting acute cardiac ischemia. Triage decisions for these patients are important but remain difficult. OBJECTIVE To test whether computerized prediction of the probability of acute ischemia, used with electrocardiography, improves the accuracy of(More)
CONTEXT Observational studies of acute myocardial perfusion imaging in emergency department (ED) patients with chest pain have suggested high sensitivity and negative predictive value for acute cardiac ischemia, but use of this method has not been prospectively tested. OBJECTIVE To assess whether incorporating acute resting perfusion imaging into an ED(More)
This paper presents a system for generating non-verbal communication behaviour suitable for characters in interactive narrative. It is possible to customise the behaviour of individual character using a system of character profiles. This allows characters to have a strong individuality and personality. These same profiles also allow the characters'(More)
This copy has been supplied on the understanding that it is copyright material. Duplication or sale of all or part of any of the GRO Data Collections is not permitted, and no quotation or excerpt from the work may be published without the prior written consent of the copyright holder/s. Abstract The introduction of consumer broadband makes it possible to(More)