Lee Brownston

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Directed improvisation is a new paradigm for multiagent interaction. One or more human users direct one or more computer characters with scripted or interactive directions. The characters work together to improvise a course of behavior that follows the directions, expresses their distinctive individual styles, honors ocial conventions, and meets other(More)
In recent years several approaches have been proposed for model-based diagnosis of hybrid systems. These approaches deal with discrete or parametric faults, and perform consistency-based, stochastic or mixed reasoning. The major restriction that a diagnosis application designer faces is that each technique uses its own modeling paradigm and the reasoning(More)
A human factors experiment was conducted that compares three color notation systems for use in computer graphics. Two of the systems (those in common use) represent colors as triples of real numbers in [0, 1]. The third system is based on natural language color categories in English. It was found that users of the natural language based system were(More)
In “directed improvisation; users give computer characters abstract directions that establish a skeletal structure for and other weak constraints on their behavior. The characters improvise a course of behavior that follows the structure, meets the constraints, and achieves other application-specific objectives. Thus, characters perform as directed, but(More)
The NASA Integrated Vehicle Health Management (IVHM) Technology Experiment for X-37 was intended to run IVHM software on board the X-37 spacecraft. The X-37 is an unpiloted vehicle designed to orbit the Earth for up to 21 days before landing on a runway. The objectives of the experiment were to demonstrate the benefits of in-flight IVHM to the operation of(More)
Space missions face unique challenges in planning, monitoring, and executing because of their complexity, the difficulty of anticipating problems once launched, and the high cost of failure. One technology field with the potential to solve this problem is reasoning technologies-that is, embedded intelligence. NASA has invested heavily in reasoning(More)
We present results of the final Kepler Data Processing Pipeline search for transiting planet signals in the full 17-quarter primary mission data set. The search includes a total of 198,709 stellar targets, of which 112,046 were observed in all 17 quarters and 86,663 in fewer than 17 quarters. We report on 17,230 targets for which at least one transit(More)
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