Assertion: clique | /r/HasProperty | groups of people
Facets:
Source sentences:
text: The word "clique", in its graph-theoretic usage, arose from the work of Luce & Perry (1949), who used complete subgraphs to model cliques (groups of people who all know each other) in social networks.
text: A clique is a group of several people, but it is small enough that all members interact.
text: Cliques are groups of people that naturally gravitate towards each other due to similar interests, activities, etc.