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k-Degree Layer-Wise Network for Geo-Distributed Computing between Cloud and IoT
Yiqiang SHENG Jinlin WANG Haojiang DENG Chaopeng LI
IEICE TRANSACTIONS on Communications
Publication Date: 2016/02/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Management for the Era of Internet of Things and Big Data)
big data, internet of things, geo-distributed computing, deep learning, cloud computing,
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In this paper, we propose a novel architecture for a deep learning system, named k-degree layer-wise network, to realize efficient geo-distributed computing between Cloud and Internet of Things (IoT). The geo-distributed computing extends Cloud to the geographical verge of the network in the neighbor of IoT. The basic ideas of the proposal include a k-degree constraint and a layer-wise constraint. The k-degree constraint is defined such that the degree of each vertex on the h-th layer is exactly k(h) to extend the existing deep belief networks and control the communication cost. The layer-wise constraint is defined such that the layer-wise degrees are monotonically decreasing in positive direction to gradually reduce the dimension of data. We prove the k-degree layer-wise network is sparse, while a typical deep neural network is dense. In an evaluation on the M-distributed MNIST database, the proposal is superior to a state-of-the-art model in terms of communication cost and learning time with scalability.