Browsing 13 Education by Author "Zhang Chengqi"

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Browsing 13 Education by Author "Zhang Chengqi"

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  • Detecting collusion attacks in security protocols 
    Zhang Shichao; Chen Phoebe; Zhang Chengqi; Chen Qingfeng (Springer-Verlag, 2006)
    Security protocols have been widely used to safeguard secure electronic transactions. We usually assume that principals are credible and shall not maliciously disclose their individual secrets to someone else. Nevertheless, it ...
  • A recent-biased dimension reduction technique for time series data 
    Zhao Yanchang; Zhang Chengqi; Zhang Shichao (Springer-Verlag, 2006)
    There are many techniques developed for tackling time se- ries and most of them consider every part of a sequence equally. In many applications, however, recent data can often be much more interesting and significant ...