Remote Collaborative Software Development Environments with Wall-Size Displays

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We have been doing research on (1)new interaction techniques for large format display environments where two or more users cooperate with one another and (2)new software development environments for testing and component-based secure software constructions. The following are our major achievements :1. Mice and keyboards are not convenient input devices in large format display environments, where users are often standing in front of the display. So, we have investigated into various pen-based and speech-based input methods. We have established (1) pen-based input methods for 3D free surfaces and models, (2) pen-based input methods for animations, and (3) speech-based methods for cursor control. The first two are intended to be used with whiteboard-size displays for collaborative creation of 3D models and animations. In contrast, the last one is intended to be used with larger format displays that are so large that users cannot touch the top edges. We have concluded that the last methods are also useful for orthopedically impaired to control GUI. We plan to continue the work in multi-display environments.2. We have doing research on sophisticated software development environments. We have established methods and implemented tools for (1) secure software construction, based on static and dynamic program analysis, for a component model with hierarchical plug-ins and (2) reproducible testing in the presence of possibly sporadic I/O exceptions.