sponsored by the IEEE Computer Society, Fess Parker's Red Lion Resort, Santa Barbara, California, March 5-9, 1990. sponsored by the IEEE Computer Society ; Omni International Hotel, Miami, Florida, March 6-10, 1989. sponsored by the IEEE Computer Society and the Association for Computing Machinery. sponsored by IEEE Computer Society, Fontainebleau Hilton, Miami Beach, Florida, December 11-13, 1985.