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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
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Question
Please help me solve this question step by step.
![D DE
14
19
A (5)
C(10)
20
18
25 S (35)
15
E (50) 0
13
12
в (30)
D (26)
12
24
27
Figure 1
Given the search space above, for each search strategy below, show the nodes in the order
they are checked for goal. Start from S and stop at E. The number next to the square is estimated cost
to E, and the underlined number next to the link is the real cost. If two or more nodes in the fringe (e.g.
NODES/OPEN) have the same cost, they are taken off the fringe in alphabetical order.
20
terative deepening depth-first search.
S SAB I JABBCDACD SABCDCDCE)
Breadth-first search.
54 BBCDACDCD,b CE)
JUniform-cost search.
SBCP CE)
ఈస్తిందిలు
A.
A
1330
13
В
13CDA CD
13 CE
D
Best-first search based on the general tree-based search algorithm (i.e. my 1* pseudocode),
assuming NO loop-checking or redundancy-avoiding mechanism.
SBCA D(E)
E
Generic best-first search (i.e. my 2nd pseudocode) introduced in class (with OPEN and
CLOSED)
SBCAD CE)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F44e46b8e-8040-4f00-84a2-84787f376d28%2F7f8f0a8e-a04e-4bca-9d53-bb4b42fb14d3%2Fhmdefwg_processed.png&w=3840&q=75)
Transcribed Image Text:D DE
14
19
A (5)
C(10)
20
18
25 S (35)
15
E (50) 0
13
12
в (30)
D (26)
12
24
27
Figure 1
Given the search space above, for each search strategy below, show the nodes in the order
they are checked for goal. Start from S and stop at E. The number next to the square is estimated cost
to E, and the underlined number next to the link is the real cost. If two or more nodes in the fringe (e.g.
NODES/OPEN) have the same cost, they are taken off the fringe in alphabetical order.
20
terative deepening depth-first search.
S SAB I JABBCDACD SABCDCDCE)
Breadth-first search.
54 BBCDACDCD,b CE)
JUniform-cost search.
SBCP CE)
ఈస్తిందిలు
A.
A
1330
13
В
13CDA CD
13 CE
D
Best-first search based on the general tree-based search algorithm (i.e. my 1* pseudocode),
assuming NO loop-checking or redundancy-avoiding mechanism.
SBCA D(E)
E
Generic best-first search (i.e. my 2nd pseudocode) introduced in class (with OPEN and
CLOSED)
SBCAD CE)
Expert Solution
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