WIDE-AREA NETWORKS AND THE INTERNET-BASED WORLD WIDE WEB ALLOW DEVELOP
ERS TO PROVIDE INTELLIGENT KNOWLEDGE SERVERS. EXPERT SYSTEMS RUNNING O
N SERVERS CAN SUPPORT A LARGE GROUP OF USERS WHO COMMUNICATE WITH THE
SYSTEM OVER THE NETWORK. IN THIS APPROACH, USER INTERFACES BASED ON WE
B PROTOCOLS PROVIDE ACCESS TO THE KNOWLEDGE SERVERS. USERS DO NOT NEED
SPECIAL HARDWARE OR SOFTWARE TO CONSULT THESE SERVICES WITH APPROPRIA
TE WEB BROWSERS.