Sociologists are documenting a shift: from small-world networks to cluster networks from cluster networks to small-world networks from network societies to group-centric societies from group-centric societies to network societies
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Small-world networks are characterized by a high degree of clustering and short path lengths between nodes, while cluster networks are more tightly knit groups with less connectivity to the broader network. Network societies refer to societies organized around Show more…
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Supreeta N.
What is a likely trend for social media in the future? You may see smaller groups forming. You may see more diverse groups forming. You may see larger groups forming. You may see less specific groups forming.
Nick J.
In the basic six-degrees-of-separation question, one asks whether most pairs of people in the world are connected by a path of at most six edges in the social network, where an edge joins any two people who know each other on a first-name basis. Now let's consider a variation on this question. For each person in the world, we ask them to rank the thirty people they know best, in descending order of how well they know them (Let's suppose for purposes of this question that each person is able to think of thirty people to list). We then construct two different social networks: The "close-friend" network: from each person, we create a directed edge only to their ten closest friends on the list. The "distant-friend" network: from each person, we create a directed edge only to the ten people listed in positions 21 through 30 on their list. Let's think about how the small-world phenomenon might differ in these two networks. In particular, let C be the average number of people that a person can reach in 6 steps in the close-friend network, and D be the average number of people that a person can reach in six steps in the distant-friend network (taking the average of all people in the world). When researchers have done empirical studies to compare these two types of networks (and the exact details differ from one study to another), they tend to find that one of C or D is consistently larger than the other: Which of the two quantities, C or D, do you expect to be larger? Give a brief explanation for your answer: (2 points)
Ameer S.
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