n.a guide who leads others on a tour

Web-wacher: A tour guide for the world wide web
Web-watcher : A tour guide for the World Wide Web
WebWatcher: a tour guide for the world wide web
Probabilistic algorithms and the interactive museum tour-guide robot Minerva
Experiences with an interactive museum tour-guide robot
MINERVA: a second-generation museum tour-guide robot
Cyberguide: A mobile context゛ware tour guide
The interactive museum tour-guide robot
"The Interactive Museum Tour-Guide Robot, "to appear in
MINERVA: a second-generation museum tour-guide robot