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Table 3 Cluster based trust management system in open networks

From: Trusted and secure clustering in mobile pervasive environment

Trust Mgmt. system Trust value Trust metric parameters Type of trust (direct/indirect) Network environment Clustered/non clustered
PTM-2004 [16] 0–1 Past experiences Direct and indirect Pervasive environment Non clustered
GBTMS-2009 [12] 0–1 Past interactions Direct and indirect Hybrid Clustered
HTM-2012 [2] 0–1 QoS and social Direct and indirect Hybrid Clustered
LTD-2013 [24] 0–10 Successful interactions Direct and indirect Hybrid Clustered