h tree after expansion of each node until the termination of the algorithm for: a) Greedy best-first search (label all node with their h val
h tree after expansion of each node until the termination of the algorithm for: a) Greedy best-first search (label all node with their h val
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
Problem 1PE
Related questions
Question
For straight-line distance heuristic, draw the search tree after expansion of each node until the termination of the algorithm for:
a) Greedy best-first search (label all node with their h values). What is the solution (list of visited cities) found by the algorithm?
b) A* search (label all nodes with their f values). What is the solution (list of visited cities) found by the algorithm?

Transcribed Image Text:Straight-line distance
to Bucharest
Oradea
51,
Neamt
Arad
326
Bucharest
85
PZerind
55
151
Craiova
Dobreta
120
O lasi
202
Arad O
120
Eforie
121
92
Fagaras
Giurgiu
Hirsova
Iasi
138
Sibiu
90
Fagaras
37
118
Ó Vaslui
111
80
186
Rimnicu Vilcea
Lugoj
Mehadia
Timisoara
244
142
201
111
211
Neamt
95
204
340
Pitesti
O Lugoj
50
Oradea
98
Pitesti
Rimnicu Vilcea
58
136
101
85
Hirsova
O Mehadia
Urziceni
153
55
138
86
Sibiu
213
Bucharest
Timisoara
319
120
Dobreta O
90,
Urziceni
40
Craiova
Eforie
Vaslui
159
Giurgiu
Zerind
334

Transcribed Image Text:The map below shows the routes through various town in Romani. The route distances are labelled
on the edges between towns. The table on the right gives the straight-line distances to Bucharest
from the other towns.
Consider the rout-finding problem of computing the shortest path from Zerind to Bucharest.
Note: The values mentioned in the question are different than those in textbook
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