June 2nd question: Communities
Which of the following statements about communities is generally true?
- Communities are densely interconnected groups of nodes within a network that tend to have more connections within the group than with nodes outside the group.
- Communities are only applicable to social networks and do not occur in other types of networks.
- Communities do not overlap with each other in a network and are always disjoint.
- Communities' structures are rigid and do not evolve or change over time.
- None of the above.
Interesting question, but option D is a bit dubious, and can lead to disputes. It will be risky to take it. Sorry.
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