sponsored by the IEEE Computer Society ; Omni International Hotel, Miami, Florida, March 6-10, 1989. sponsored by the IEEE Computer Society, Fess Parker's Red Lion Resort, Santa Barbara, California, March 5-9, 1990. sponsored by IEEE Computer Society, Fontainebleau Hilton, Miami Beach, Florida, December 11-13, 1985. sponsored by the Computer Society of the IEEE, Hyatt Orlando, Kissimmee, Florida, February 23-27, 1987. sponsored by the IEEE Computer Society and the Association for Computing Machinery. sponsored by Australian Computer Society and International Federation for Information Processing. sponsored by IEEE Computer Society, in cooperation with Association for Computing Machinery. sponsored by the IEEE Computer Society Technical Committee on Real-Time Systems. sponsored by IEEE Computer Society and the Philadelphia Section of the IEEE. sponsored by IEEE Computer Society in cooperation with Association for Computing Machinery.