We summarize the goals, organization, and results of the second RepLab competitive evaluation campaign for Online Reputation Management systems (RepLab 2013). RepLab 2013 focuses on the process of monitoring the reputation of companies and individuals, and asks participating systems to annotate different types of information on tweets containing the names of several companies. First, tweets hav...

A model of reputation is presented in which agents share and aggregate their opinions, and observe the way in which their opinions effect the opinions of others. A method is proposed that supports the deliberative process of combining opinions into a group’s reputation. The reliability of agents as opinion givers are measured in terms of the extent to which their opinions differ from that of th...

Cooperation among unrelated individuals can arise if decisions to help others can be based on reputation. While working for dyadic interactions, reputation-use in social dilemmas involving many individuals (e.g. public goods games) becomes increasingly difficult as groups become larger and errors more frequent. Reputation is therefore believed to have played a minor role for the evolution of co...

We study a firm investing in quality and building its reputation for quality. Quality can be certified at a cost. We consider two types of equilibria: one in which certification decisions are made based on firm’s reputation and the second in which they are made based on the time since last certification. We show that reputation-based certification has a very limited effect on incentives to inve...

Firms who sell regional or specialty products often share a collective reputation based on aggregate quality. Collective reputation can be approached as a dynamic common property resource problem. We show that for an experience good without firm traceability, individual firms have the incentive to choose quality levels that are sub-optimal for the group. These results support minimum quality st...

*Correspondence: Claus Wedekind, Department of Ecology and Evolution, University of Lausanne, Biophore, CH-1015 Lausanne, Switzerland e-mail: [email protected] Human cooperation is often based on reputation gained from previous interactions with third parties. Such reputation can be built on generous or punitive actions, and both, one’s own reputation and the reputation of others have been...

Grid system is a dynamic environment where every entity share the resources provided by the other entities. The system enables the coordinated and aggregated use of geographically distributed resources, often owned by autonomous organizations, for solving large-scale problems in science, engineering. However, application composition, resource management and scheduling in these environments is a...

in today’s very competitive world gaining competitive advantage is bound to arranging products and services of companies and businesses in accordance with customers’ needs. for this purpose, gaining reputation in e-service can be quite helpful. thus the goal of the present research is studying the effect of e-banking service quality on bank reputation. so a coherent collection of structures wer...