Deck 12: Social Media Analysis and Modeling Techniques

Question 1

What is/are the input(s) to k-means clustering?

A)number of clusters
B)distance metric
C)feature vectors of instances
D)All of the above

Answer 1

All of the above

Question 2

Which measure ranks nodes with more connections higher in terms of centrality?

A)Group Centrality
B)Degree Centrality
C)Eigenvector Centrality
D)None of the above

Answer 2

Degree Centrality

Question 3

What is used for measuring and analyzing transitivity?

A)Clustering Coefficient
B)Local Clustering Coefficient
C)Graph Coefficient
D)Both a and b

Answer 3

Both a and b

Question 4

What defines a centrality measure for the nodes (webpages) in this web-graph?

A)Eigenvector Centrality
B)Katz Centrality
C)PageRank
D)Group Centrality

Question 5

In , two nodes are considered similar when they share neighborhoods.

A)structural equivalence
B)regular equivalence
C)Reciprocity
D)None of the above

Question 6

In , nodes are similar when their neighborhoods are similar.

A)transitivity
B)centrality
C)regular equivalence
D)structural equivalence

Question 7

Which type of centrality generalizes degree centrality and considers individuals who know many important nodes as central?

A)Eigenvector Centrality
B)Group Centrality
C)Degree Centrality
D)Katz Centrality

Question 8

Users exhibit different behaviors on social media: and .

A)Individual behavior; Collective behavior
B)Individual behavior; Group behavior
C)User behavior ; community behavior
D)Online user behavior; Group behavior

Question 9

Individual online behavior is classified into how many categories?

A)2
B)3
C)5
D)4

Question 10

What are the categories of Individual Behavior?

A)User-User Behavior and User- Community Behavior
B)User-Group Behavior and User-Entity Behavior
C)User-User Behavior, User-Community Behavior and User- Entity Behavior
D)None of the above

Question 11

In Individual behavior, User-User Bahevior is the behavior individuals exhibit with respect to other

A)entity
B)social media
C)community
D)individuals

Question 12

In Individual behavior, the target of User-Community behavior is

A)entity in social media
B)community
C)individuals
D)Both a and b

Question 13

In Individual behavior, the target of User-Entity behavior is

A)individuals
B)community
C)entity in social media
D)user

Question 14

What is Individual Behavior Analysis?

A)It helps to understand how different factors affect indivdual behaviors observed online.
B)It helps to understand indivdual behaviors in community.
C)It helps to understand behavior of community and entity in social media
D)None of the above

Question 15

Which type of analysis is used for analyzing content?

A)Link analysis
B)Link prediction
C)Node analysis
D)Text analysis

Question 16

Users often join different communities in social media; the act of becoming a community member is an example of

A)User-User Behavior
B)User-Community Behavior
C)User-Entity Behavior
D)None of the above

Question 17

Which are the steps used to perform behavioral analysis?

A)Feature Analysis and Evaluation Strategy
B)Observable behavior, Feature-Behavior Association and Evaluation Strategy
C)An observable behavior, Features, Feature-Behavior Association and Evaluation Strategy
D)Defining features and Observing individual behavior

Question 18

A well-known causality detection technique is

A)Granger causality
B)system causality
C)statistical causality
D)algorithmic causality

Question 19

Which are the models of individual behavior used in Individual Behavior Modeling?

A)Jaccard Similarity, Common Neighbors
B)Preferential Attachment, Jaccard Similarity
C)Threshold models, Cascade Models
D)None of the above

Question 20

When a behavior diffuses in a network, such as the behavior of individuals buying a product and referring it to others, one can use models.

A)threshold
B)cascade
C)game theory
D)network

Question 21

Which are the Node Neighborhood-Based Methods used for computing the similarity between two nodes?

A)Adamic and Adar Measure
B)Jaccard Similarity
C)Preferential Attachment
D)All of the above

Question 22

Which are the methods based on paths between nodes that are used to calculate similarity?

A)Katz measure
B)Hitting and Commute Time
C)Rooted PageRank, SimRank
D)All of the above

Question 23

Which are the types of migration that take place in social media sites?

A)Site Migration
B)Attention Migration
C)Both a and b
D)None of the above

Question 24

Collective Behavior Modelling can be performed via models, and

A)cascade
B)threshold
C)network
D)Both a and b

Question 25

Which are the features that can be considered for User Migration in social media?

A)User network size and user status
B)user activity on one site, user network size, and user rank
C)User activity on different sites
D)None of the above