Natural Language
–Hope that computer will respond properly to arbitrary
natural-language sentences or input
–Limited
success so far …
–Users
can syntax to express complex possibilities rapidly
Advantages
–Relieves
burden of learning syntax
Disadvantages
–May
not show context for issuing next command
–Frequently
requires clarification dialog
–May
require more keystrokes
–Unpredictable
è
Good for Novices and Intermittent Users