Size efficient big data sharing among Internet of Things devices

Samuel Sungmin Cho, C. Julien
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引用次数: 3

Abstract

The Internet of Things (IoT) connects smart objects so they can share information in a network to provide context-sensitive services. The amount of shared information will increase, likely dramatically, as more and more smart objects join the network and disseminate their contextual information. In this paper, we explain how smart IoT devices can share a large amount of context information using much less storage space and communication bandwidth. We use the versatile and simple JSON format at the application interface to allow applications to define their context descriptions, but we convert this JSON format into size-efficient yet equivalent probabilistic data structures for storage or communication. The loss of schema information in the conversion is compensated for by introducing a schema summary, which incorporates a hierarchical structure, and a state machine that recovers the schema information from the relationship among elements in a summary.
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实现物联网设备间高效大数据共享
物联网(IoT)连接智能对象,使它们能够在网络中共享信息,以提供上下文敏感的服务。随着越来越多的智能对象加入网络并传播其上下文信息,共享信息的数量可能会急剧增加。在本文中,我们解释了智能物联网设备如何使用更少的存储空间和通信带宽共享大量上下文信息。我们在应用程序接口上使用通用和简单的JSON格式,允许应用程序定义它们的上下文描述,但是我们将这种JSON格式转换为大小有效但等效的概率数据结构,用于存储或通信。通过引入包含层次结构的模式摘要和从摘要中元素之间的关系恢复模式信息的状态机,可以补偿转换中模式信息的丢失。
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