A data transmission dictionary is provided, which is adapted for use by a computer system for encoding, storing, or retrieving hierarchically related data transmission information. The dictionary is comprised of a group of one or more computer searchable definition trees relating to transmission information...http://www.google.com.hk/patents/US5659727?utm_source=gb-gplus-share專利 US5659727 - Computer program product and program storage device for encoding, storing, and retrieving hierarchical data processing information for a computer system
