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Based on Bayesian network theorem, the paper proposed the novel trust model of P2P network named Trust-BT. The novel new Trust-BT model is based on the P2P network nodes' history of all types of transactions, prior experience, the use of Bayesian statistical analysis methods calculate the global trust value of every network node, select the node with high(More)
Lygus species of plant-feeding insects have emerged as economically important pests of cotton in the United States. These species are not controlled by commercial Bacillus thuringiensis (Bt) cotton varieties resulting in economic losses and increased application of insecticide. Previously, a Bt crystal protein (Cry51Aa2) was reported with insecticidal(More)
In this paper we show a small but fast popularity-based front-end cache can provide provable DDOS prevention for randomly partitioned cluster services with replication. To achieve this, we first give the best strategy for an adversary to overload the system, and then prove that the cache size is lower bounded by O(n log log n/ log d), where n is the number(More)
Intensive agricultural activities in the Hetao irrigation district have severely degraded local aquatic ecosystems and water quality, and Ulansuhai Lake is now the most rapidly degrading eutrophic lake in China. A better understanding of the hydro-agronomic and pollutant transport processes in the area is thus urgently needed. This study simulated monthly(More)
This paper presents a high efficiency spread spectrum scheme using approximate orthogonal complex (AOC) sequences. In this scheme, the 64 AOC sequences picked up from 8 4 complex sequences space are employed for spreading spectrum. In modulation, 6 input bits is used to select one AOC sequence, and the selected sequence is then phase-rotated by another 2(More)
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