Different Internet of Things (IoT) applications demand different levels of intelligence and efficiency in processing data. Multi-tier computing, which integrates cloud, fog and edge computing technologies, will be required in order to deliver future IoT services.
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Yang, Y. Multi-tier computing networks for intelligent IoT. Nat Electron 2, 4–5 (2019). https://doi.org/10.1038/s41928-018-0195-9
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