SlideShare a Scribd company logo
1 of 25
+
di Ivana Pais
Università Cattolica del
Sacro Cuore
@ivanapais
Analizzare le
reti
organizzative
1
+ Chi sono
3
Networks are Everywhere
5
+ Internet Alliances 6
AOL
Microsoft
Yahoo
AT&T
7
9
Metafora/
misura
Autori di
riferimento
Rappresentazione
grafica
1. Reti di
affiliazione,
gruppi vs
networks
Simmel
1955
2.
Sociogrammi,
stelle
sociometriche
Moreno
1934
3. Equivalenza
strutturale
White,
Boorman,
Breiger
1974; Burt
1992 10
A B
Metafora/
misura
Autori di
riferimento
Rappresentazione
grafica
4. Forza dei
legami
(deboli vs
forti)
Granovetter
1973
5. Ponti,
buchi
strutturali
Burt 1992
6. Gradi di
separazione
Milgram
1967
11
Metafora/
misura
Autori di
riferimento
Rappresentazione
grafica
7. Interlock
centrality,
sfera di
influenza
Mizruchi
1996
8. Local vs
global
network,
closeness
centrality
Freeman
1979
9. Scambio,
centralità vs
potere
Bonacich
1987, Cook
1977
12
A
B
C
D
Metafora/
misura
Autori di
riferimento
Rappresentazione
grafica
10. Densità Barnes
1979
Marsden
1993
11. Small-
worlds
Watts,
Strogatz
1998
13
regular small worlds random
+Analytical components of social
relations
+
Directe
d
+
Valued
3
1
2
2
3
+
Multiplexit
y
+
+
+ Network Statistics
+ Density
+ Clique and components
+
+
Degree
Closeness
Eigenvector
Betweenness
+

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