e/Triadic closure

Information
has gloss	eng: Triadic closure is a concept in social network theory, first suggested by German sociologist Georg Simmel in the early 1900s. Triadic closure is the property among 3 nodes A, B, and C, such that if a strong tie exists between A-B and A-C, there is a weak or strong tie between B-C.
lexicalization	eng: triadic closure
instance of	e/Social systems