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	Analisi della Modularità Diretta	Centralità di intermediazione
Campo	Analisi delle reti	Analisi delle reti
Famiglia	Machine learning	Machine learning
Anno di origine	2008	1977
Ideatore	Leicht, E. A. & Newman, M. E. J.	Freeman, L. C.
Tipo	Community detection / graph partitioning	Centrality measure
Fonte seminale	Leicht, E. A., & Newman, M. E. J. (2008). Community structure in directed networks. Physical Review Letters, 100(11), 118703.	Freeman, L. C. (1977). A set of measures of centrality based on betweenness. Sociometry, 40(1), 35–41.
Alias	directed community detection via modularity, directed Q-modularity, digraph modularity optimization, Leicht-Newman modularity	Freeman betweenness, BC, geodesic betweenness, shortest-path betweenness
Correlati	5	6
Sintesi	Directed modularity analysis extends the classic Newman-Girvan modularity framework to directed graphs, where edges carry a source and a destination. Formalized by Leicht and Newman in 2008, it partitions nodes into communities by maximizing a modularity score that accounts for each node's separate in-degree and out-degree in the null model, making it the standard approach for community detection in citation networks, information flows, and other asymmetric relational data.	Betweenness centrality, formalized by Linton C. Freeman in 1977, measures how often a node lies on the shortest path connecting every other pair of nodes in a network. High-betweenness nodes act as bridges or brokers: removing them fragments the network into disconnected components more severely than removing any other nodes.