SIDEBAR: IMPLEMENTING THE SYSTEM
The system described is complex, and therefore we are implementing it gradually, starting with a small prototype that automates only a small fraction of the total system. The expert system described here programs only some of those decisions that depend on market timing. It's built with the aid of the VP-Expert shell (knowledge base management system) Release 2.0, made by Paperback Software International. Its platform is the IBM PS/2 Model 55SX with 2 MB of RAM and a 30-MB hard disk with a double-sided 3.5-inch diskette drive, together with the MS-DOS 3.0 operating system.