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Trust Networks

Direct trust assignment using social reputation and aging

The exploitation of trust in virtual environments, on-line services, intelligent pervasive environments and many other scenarios still deserve researchers’ interest. In this work …

Journal
Marco Buzzanca, Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri et al.
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Network size and topology impact on trust-based ranking

The participation to virtual contexts has been increased during the last decade. Trust is often used in such a scenario as a mechanism to establish reliable relationships. In …

Journal
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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Dealing with the Best Attachment Problem via Heuristics

Ordering nodes by rank is a benchmark used in several contexts,from recommendation-based trust networks to e-commerce,search engines and websites ranking. In these scenarios,the …

Conference
Marco Buzzanca, Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri et al.
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Social-Based Arcs Weight Assignment in Trust Networks

Virtual interaction with strangers often makes use of underlying trust networks. Usually, existing proposals address the evaluation of global (unique) trust for a given node within …

Conference
Marco Buzzanca, Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri et al.
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The Effect of Topology on the Attachment Process in Trust Networks

The massive use of web based social networks endorse trustworthiness to establish reliable relationships. Trust is often used to rank entities hence during the attachment process …

Conference
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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The cost of trust in the dynamics of best attachment

The need of trust is growing in several contexts as e-commerce, virtual communities, distributed on-line services and many others as an essential precautionary component for users …

Journal
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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A Heuristic to Explore Trust Networks Dynamics

The shifting of computation and storage towards distributed, embedded and mobile systems encompasses several advantages, as the increasing in performance, scalability, and …

Conference
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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Users' attachment in trust networks: reputation vs. effort

Trust and reputation systems gained great attention in the last decades. Such systems aim at giving users a quantitative evaluation about the trustworthiness of other users. …

Journal
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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The Relevance of Context in Trust Networks

The increasing use of Internet in real world activities such as e-commerce, blogs, wikies and several others makes the question of trust a critical issue. However, everyone can …

Conference
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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The Effects of Pre-trusted Peers Misbehaviour on EigenTrust

Trust is a widespread mechanism to establish and conduct successful social collaborations, expecially in today’s Internet, where people perform more and more activities on-line, …

Conference
Vincenza Carchiolo, Alessandro Longheu, Michele Malgeri, Giuseppe Mangioni
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