Conflict-Free Collaborative Decision-Making over Mind-Mapping

As the integration of disaster management, distributed computing, and collaborative technologies, collaborative disaster management systems can overcome the challenges, such as data replication and updating, real-time information dissemination, distributed resources sharing, and collaborative decision-making. Collaborative decision-making systems over Mind-Mapping are modeled by a set of sites connected by a communication network with each site hosting a replica of shared data. When a site executes a modification, it generates a corresponding operation that is performed immediately on its local copy, and then is propagated to all sites in order to be executed remotely. However, if the consistency is not properly guaranteed it can lead to divergences, practically, in the case of concurrent decisions over the shared Mind-Mapping. This paper aims to provide a solution to the problem of consistency in collaborative decision-making over Mind- Mapping. This solution allows distributed users to work together to reach a common goal without central servers and coordination among them is achieved in a Peer-to-Peer manner. A prototype developed about nuclear disaster scenario demonstrates the effectiveness of our approach.

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