Article ID Journal Published Year Pages File Type
6858577 Information Systems 2018 47 Pages PDF
Abstract
We characterize our model by considering (i) the different relevance given to local and global reputation, (ii) the threshold that is used to consider a user unreliable and (iii) the dimension of the user's ego-network. Experiments performed on a real data set show that global reputation is useful only if the size of the user ego-network is small, as in the case of a newcomer. Moreover, the combined usage of global and local reputation leads to predict the expected trust with a high level of precision.
Related Topics
Physical Sciences and Engineering Computer Science Artificial Intelligence
Authors
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