Peer influence groups: identifying dense clusters in large networks

Collective dynamics of ‘small-world’ networks

Duncan J. Watts, Steven H. Strogatz · Nature · 1998 · 43.2K citations

Engineering, Organization Studies, Sociology +14

Objective Criteria for the Evaluation of Clustering Methods

Journal of the American Statistical Association · 1971 · 5.9K citations · Full text

Computing, Computer Science, Data Science +10

An Examination of Procedures for Determining the Number of Clusters in a Data Set

Glenn W. Milligan, Martha C. Cooper · Psychometrika · 1985 · 3.9K citations

Computing, Computer Science, Data Management +8

Small worlds: the dynamics of networks between order and randomness

Choice Reviews Online · 2000 · 2.4K citations

Engineering, Sociology, Collective Behavior +15

The Focused Organization of Social Ties

Scott L. Feld · American Journal of Sociology · 1981 · 1.9K citations

Social Sciences, Sociology, Group Dynamics +11