1. What is the value of ω(2, 5)?  Answer: 7

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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1. What is the value of ω(2, 5)? 
Answer: 7

2. What is the value of δ(4, 3) 
Answer: 7

3. What is the value of δ(6,3)? 
Answer: 4

4. For the following four questions, consider the single-source all-destinations shortest path with source node v_4.  Regardless of their efficiency, which algorithms can find the answer of the problem above?

Choose all that apply. 
a. Bellman-Ford 
b. Dijkstra 
c. Floyd-Warshall 

5. What is the depth of the shortest path tree? The depth is the number of edges along the longest path from the root to a leaf node. 
Answer: 

6. What is the value of v_1∙π? 
Answer: 

7. What is the value of v_3∙d? 
Answer:

For the following five questions, consider Floyd-Warshall algorithm for all-pairs shortest path and answer the following questions. Type in a numeric answer. If the answer is infinity, type "inf". 

8. What is the value of d^2 (v_4,v_1 )? 
Answer:

9. What is the value of d^5 (v_4,v_1 )? 
Answer:

10. What is the value of d^1 (v_5,v_4 )? 
Answer:

11. d^k (i,j)=δ(i,j) only if k=n. 
True 
False 

 

Consider the graph below and answer the following quesitons.
3
V1
V3
2
2
LO
5
1
1
V2
4
V4
4
7
4
3
V5
1
V6
Transcribed Image Text:Consider the graph below and answer the following quesitons. 3 V1 V3 2 2 LO 5 1 1 V2 4 V4 4 7 4 3 V5 1 V6
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