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Table 2 Glossary of parameters defined in the "Experiment and discussion" section

From: Effect of direct reciprocity and network structure on continuing prosperity of social networking services

Parameter

Description

B

Average of \(B_i\) in RG and RRG

\(L_C\)

Average of \(L_{C_i}\) in RRG

\(L_N\)

Average of \(L_{N_i}\) in RRG

L

Average of \(L_i\) in RG

\(S'\)

Fixed value of the degree of fun of articles

\(L_{N_{\rm{max}}}\)

Maximum value of \(L_{N_i}\)

p

Re-wiring probability in the WS model

u

Conversion probability in the CNN model

m

Number of links when a node is added in the BA model

\(r^a\)

Average number of reciprocal agents, \(r^a_i\)

\(r^m\)

Average number of mutual reciprocal agents, \(r^m_i\)

\(r^o\)

Average number of one-sided reciprocal agents, \(r^o_i\)