A rules base according to the invention comprises multiple entries encoded in a storage medium, e.g., optical disk, magnetic disk, or read-only memory or random access memory. Each entry is encoded to include, or is otherwise associated with, an objective and with a circumstance. Each entry...http://www.google.com.hk/patents/US5826250?utm_source=gb-gplus-share專利 US5826250 - Rules bases and methods of access thereof
