A Survey of Trust Management Schemes for Social Internet of Things

Social Internet of Things (SIoT) involves integrating social networking concepts in the (IoT) to enhance interactions among IoT objects and users. SIoT is envisaged provide adequate service selection discovery. Trust an essential factor whenever are discussed communication networks. usually leads a mutual relationship between two parties (i.e., trustor trustee) where they both enjoy benefits. For secure relationships, management (TM) crucial feature SIoT. The primary aim this work comprehensive review trust proposals/schemes available for Four main calculation algorithms were selected review, examined detail. IEEE Xplore, Scopus, ResearchGate, Google Scholar databases searched articles containing terms "Trust aggregation approaches IoT", computation SIoT" with particular emphasis on works published 2018 2021. paper also pros cons each TM technique, metrics/features, contributions, limitations state-of-the-art proposals literature. further provides open issues possible research directions entry-level researchers domain