20 Aug 2003
CS 6210: Module 2
12/25
Principle of Least Effort
¡Zipf’s Law (49)
l“Least Effort”
¡
¡A corollary:
lMooer’s Law (60):
¡ “An information retrieval system will tend not be used whenever it is more troublesome for a customer to have information than for him not to have it.”