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    Abnormal network traffic detection approach based on alive entropy by Xiang-kun MU, Jin-song WANG, Yu-feng XUE, Wei HUANG

    Published 2013-09-01
    “…A novel alive entropy-based detection approach was proposed,which detects the abnormal network traffic based on the values of alive entropies.The alive entropies calculated based on the NetFlow data coming from the network traffic of input and output of a whole system,which is essentially a monitored network.In order to decrease false positive rate of abnormal network traffic,different scales are selected to compute the values of alive entropies in different sizes of network traffic.With the low false positive rate of abnormal network traffic,the abnormal network traffic can be effectively detected.Experiments carried out on a real campus network were used to evaluate the effectiveness of the proposed approach.A comparative study illustrates that the proposed approach may easily detect the abnormal network traffic with random characteristics in comparison with some “conventional” approaches reported in the literatures.…”
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    Elemental Contents in Hair of Children from Two Regions in Dar Es Salaam by Najat K. Mohammed

    Published 2012-01-01
    “…The analysis was carried out by long and short irradiation INAA at the reactor centre of the Institute of Nuclear Physics, Rez Czech Republic. 22 samples were collected from children living at Kiwalani about 12 km from Dar es Salaam city and 16 samples from children living at Mlimani, the main campus of University of Dar es Salaam. A total of 34 elements were found in the hair of the children. …”
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