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Trust assessment in distributed network can be defined as the analysis of the future trust situation of a terminal node based on its historical access behaviour. As shown in Figure 1, each terminal node has a relationship with the edge server. Nodes with interaction records with the target node will be selected from the historical access behaviour database to form the set of historical access nodes. Based on the historical trust assessment value, the direct trust value will be predicted. In the consensus process, consensus nodes are selected from the set of historical access nodes based on the reputation voting mechanism. Consensus nodes and master nodes cooperate with each other to obtain consensus trust values, which is sent to the edge server for final trust aggregation |
IEEE/ICACT20230252 Slide.06
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