In this paper, we propose a reputation management scheme for partially decentralized peer-to-peer systems. The reputation scheme helps to build trust among peers based on their past experiences and feedback from other peers. Two selection advisor algorithms are proposed for helping peers to select the most trustworthy peer to download from. The proposed algorithms can detect malicious peers sen...

Online reputation management (ORM) has been considered as a significant tool of internet marketing. The purpose of this paper is to construct a decision model for evaluating performances and improving professional services of marketing. To investigate the interrelationship and influential weights among criteria, this study uses a hybrid MCDM model including decision-making trial and evaluation ...

Direct trust relationship is the foundation of research on the indirect recommendation trust between agents and the global trust degree. In view of the lack of analysis and attention on the direct trust in the current research of dynamic trust relationship, this paper proposes a minimum variance time sequence weight based direct trust aggregation algorithm which is constrained by the fuzzy inte...

With the growing importance of online markets and communities, users increasingly have to interact with unknown people. When choosing their interaction partners, they often lack direct experience and are forced to rely on ratings provided by others who are often unknown themselves. A number of reputation systems have been developed with the aim of improving the credibility of inferred reputatio...

The Grid approach provides the ability to access, utilize, and manage a variety of heterogeneous resources in virtual organizations across multiple domains and institutions. Selecting appropriate resources within such a distributed Grid environment to satisfy quality of service requirements is a complex and difficult task. This paper proposes a reputation management framework for Grids to facil...

We discuss and explore the concept of cross-community reputation between multiple communities. Sharing reputation between communities has several advantages in a world where users are members of several virtual communities and where reputation gained in one community may be a useful asset for other communities. The problems and policies regarding sharing reputation are discussed in this paper.