منابع مشابه
Reaching Consensus on Social Networks
Research in sociology studies the effectiveness of social networks in achieving computational tasks. Typically the agents who are supposed to achieve a task are unaware of the underlying social network except their immediate friends. They have limited memory, communication, and coordination. These limitations result in computational obstacles in achieving otherwise trivial computational problem...
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We study the outcomes of information aggregation in online social networks. Our main result is that networks with certain realistic structural properties avoid information cascades and enable a population to effectively aggregate information. In our model, each individual in a network holds a private, independent opinion about a product or idea, biased toward a ground truth. Individuals declare...
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In this paper, we apply a consensus model to decision-making in committees that have to choose one or more alternatives from a set of alternatives. Decision makers may be advised to adjust their preferences in order to obtain a better consensus. A simple example is presented.
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We consider the problem of approximate consensus in mobile networks containing Byzantine nodes. We assume that each correct node can communicate only with its neighbors and has no knowledge of the global topology. As all nodes have moving ability, the topology is dynamic. The number of Byzantine nodes is bounded by f and known by all correct nodes. We first introduce an approximate Byzantine co...
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A novel way of characterizing the process of reaching consensus for a social system is given. The foundation of the characterization is based on the theorem which states that the sufficient and necessary condition for a system to reach the state of consensus is the occurrence of communicators, defined as the units of the system that can directly communicate with all the others simultaneously. A...
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ژورنال
عنوان ژورنال: SSRN Electronic Journal
سال: 2012
ISSN: 1556-5068
DOI: 10.2139/ssrn.2120478