sponsored by The Computer Society of the IEEE. sponsored by the Computer Society of the IEEE ... [et al.]. sponsored by the Optical Society of America. sponsored by IEEE computer society. sponsored by the IEEE Computer Society. sponsored by the Japan Society of Mechanical Engineers. sponsored by the Engineers' Society of Western Pennsylvania. sponsored by the Computer Society, Computer Languages Technical Committee. sponsored by the IEEE Computer Society, Fault-Tolerant Technical Committee. sponsored by the Western Sections of the Society of Plastics Engineers.