Tong Guo

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—In order to detect distributed denial of service (DDoS) attacks accurately and efficiently, a new detection model based on conditional random fields (CRF) was proposed. The CRF based model incorporates the signature-based and anomaly-based detection methods to a hybrid system. The selected features include source IP entropy, destination IP entropy, source(More)
Most rivers worldwide are highly regulated by anthropogenic activities through flow regulation and water pollution. Environmental flow regulation is used to reduce the effects of anthropogenic activities on aquatic ecosystems. Formulating flow alteration-ecological response relationships is a key factor in environmental flow assessment. Traditional(More)
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