NPTEL Social Networks Week 9 Assignment 9 Answers Join Telegram Group👇
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Q1. in a social network if tour guides point people to tourist destinations, which of the following is correct?
- Hubs are represented by tour guides and authorities by tourist destinations
- Hubs are represented by tourist destinations and authorities by tour guides
- Tourist spots and tour guides both act as hubs
- Tour guides and tourist destinations both represent authorities.
Q.2. If a Markov matrix A whose egenvectors and eigenvalues are v1, v2 and A1, A2 respectively is applied on a vector V repeatedly k times, which of the following is true considering we keep normalising the resultant vector after each iteration and A1 is the greater eigenvalue and k is very large?
- Answer: A
Q.3. What will be the coordinates of the vector (5, 7) after normalizing it to a unit circle centred at the origin?
- (0.81, 058)
- (0.58, 081)
- (0.18, 0.58)
- (0.85, 0.18)
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Q.4. What will be the resultant vector when we apply the matrox M on the vector (7, 9) Where M
- (91, 82)
- (27, 56)
- (89, 83)
- (12, 45)
Q.5. Which of the following is a property of a Markov matrix?
- All the eigenvalues are greater than 1
- The smallest eigenvalue is 1
- The largest eigenvalue is 1
- All the eigenvalues are less than 1
Q.6. is the given matrix a Markov matrix?
- Yes
- No
Q.7. What values of Page Rank will the nodes (J, K, L) of the given graph have after the first iteration if the initial values are 1/3 for each node?
- Answer: B
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Q.8. In a social network of recommenders and resources, how can the rating of node X increase if a higher rating is considered good?
Statement 1. By pointing Good nodes at X Statement Il-By pointing X at good nodes- Both statements are correct
- Statement I is correct & Statement II is incorrect
- Statement I is incorrect & Statement II is correct
- Both statements are incorrect
Q.9. Will a PageRank graph with the below adjacency matrix converge?
- Yes
- No
Q.10. Choose the correct option based on the given statements
Statement – Applying a matrix on its eigenvectors only changes the direction of the eigenvectors. Statement II – Eigenvectors of a matrix are linearly dependent on each other.- Both statements are correct
- Statement I is correct & Statement II it is incorrect
- Statement I is incorrect & Statement II is correct
- Both the statements are incorrect
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This answer is provided by us only for discussion purpose if any answer will be getting wrong don’t blame us. If any doubt or suggestions regarding any question kindly comment. The solution is provided by Chase2learn. This tutorial is only for Discussion and Learning purpose.About NPTEL Software Testing Course:
The world has become highly interconnected and hence more complex than ever before. We are surrounded by a multitude of networks in our daily life, for example, friendship networks, online social networks, world wide web, road networks etc. All these networks are today available online in the form of graphs which hold a whole lot of hidden information. They encompass surprising secrets which have been time and again revealed with the help of tools like graph theory, sociology, game theory etc. The study of these graphs and revelation of their properties with these tools have been termed as Social Network Analysis. If you have not registered for exam kindly register Through https://examform.nptel.ac.in/ COURSE LAYOUT The course structure and content covers, over a period of 12 weeks:- Week 1: Introduction
- Week 2: Handling Real-world Network Datasets
- Week 3: Strength of Weak Ties
- Week 4: Strong and Weak Relationships (Continued) & Homophily
- Week 5: Homophily Continued and +Ve / -Ve Relationships
- Week 6: Link Analysis
- Week 7: Cascading Behaviour in Networks
- Week 8: Link Analysis (Continued)
- Week 9: Power Laws and Rich-Get-Richer Phenomena
- Week 10: Power law (contd..) and Epidemics
- Week 11: Small World Phenomenon
- Week 12: Pseudocore (How to go viral on web)