In: Annals of Oncology, 2011, vol. 22, no. 9, p. 1973-1980
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In: Distributed Computing, 2007, vol. 20, no. 3, p. 165-177
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Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019INFO003.
Services rely on replication mechanisms to be available at all time. The service demanding high availability is replicated on a set of machines called replicas. To maintain the consistency of replicas, a consensus protocol such as Paxos or Raft is used to synchronize the replicas' state. As a result, failures of a minority of replicas will not affect the service as other non-faulty replicas...
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Mémoire de bachelor : Haute école de santé Genève, 2014.
Introduction : L’alimentation sous forme de textures modifiées (TM) et de liquides épaissis (LE) est reconnue comme le traitement de choix dans la prise en charge de la dysphagie. Or, la terminologie, le nombre et les caractéristiques des TM et des LE diffèrent d’un pays à l’autre, voire d’une région à l’autre. Le consensus australien sur le TM et les LE a mis en évidence...
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In: Philosophical Studies, 2012, vol. 161, no. 1, p. 87-96
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Thèse de doctorat : Università della Svizzera italiana, 2008 ; 2008INFO001.
Agreement problems are a common abstraction in distributed systems. They appear when the components of the system must concur on reconfigurations, changes of state, or in lines of action in general. Examples of agreement problems are Consensus, Atomic Commitment, and Atomic Broadcast. In this thesis we investigate these abstractions in the context of the environment in which they will run and the...
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In: Journal of economic dynamics and control, 2015, vol. 52, p. 240-257
We study a dynamic model of opinion formation in social networks. In our model, boundedly rational agents update opinions by averaging over their neighbors’ expressed opinions, but may misrepresent their own opinion by conforming or counter-conforming with their neighbors. We show that an agent׳s social influence on the long-run group opinion is increasing in network centrality and...
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Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019INFO004.
Many current online services need to serve clients distributed across geographic areas. Coordinating highly available and scalable geographically distributed replicas, however, is challenging. While State Machine Replication is the most direct way of achieving availability, no scalability comes from the traditional approach. Typically, scalability is obtained by partitioning the original...
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In: Distributed Computing, 2014, vol. 27, no. 1, p. 55-77
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