文档介绍：The Estimation of Effort
Based on Use Cases
John Smith, Rational Software
Rational Software white paper
Table of Contents
The Problem ........................................................................................................................................... 1
Other Work ............................................................................................................................................ 1
Avoiding Functional position? .................................................................................................... 2
System Considerations ........................................................................................................................... 2
Assumptions about Structure and Size .................................................................................................. 3
NUMBER OF USE CASES ........................................................................................................................ 3
STRUCTURAL HIERARCHY..................................................................................................................... 4
SIZE PONENTS IN THE HIERARCHY ............................................................................................. 5
USE CASE SIZE ..................................................................................................................................... 6
THE SUBSYSTEM HIERARCHY ............................................................................................................... 7
EFFORT PER USE CASE.......................................................................................................................... 9
Effort Estimation.................................................................................................................................. 11
HOW MANY USE CASES ARE ENOUGH? ................................................................................................ 12
EF