6.Consider the following problem: Design an algorithm to determine the best route for a subway passenger to take from one designated station to another in a well-developed subway system similar to those in such cities as Washington, D.C., and London, UK. a. The problem’s statement is somewhat vague, which is typical of real-life problems. In particular, what reasonable criterion can be used for defining the “best” route? b. How would you model this problem by a graph?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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6.Consider the following problem: Design an algorithm to determine the best
route for a subway passenger to take from one designated station to another in
a well-developed subway system similar to those in such cities as Washington,
D.C., and London, UK.

a. The problem’s statement is somewhat vague, which is typical of real-life
problems. In particular, what reasonable criterion can be used for defining
the “best” route?
b. How would you model this problem by a graph?

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