This paper proposes a tree-based adaptive broadcasting (TAB) algorithm for data dissemination to improve data access efficiency.\nThe proposed TAB algorithm first constructs a broadcast tree to determine the broadcast frequency of each data and splits the\nbroadcast tree into some broadcast wood to generate the broadcast program. In addition, this paper develops an analytical model\nto derive the mean access latency of the generated broadcast program. In light of the derived results, both the index channel�s\nbandwidth and the data channel�s bandwidth can be optimally allocated to maximize bandwidth utilization. This paper presents\nexperiments to help evaluate the effectiveness of the proposed strategy. From the experimental results, it can be seen that the\nproposed mechanism is feasible in practice.
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