Browsing Conference Papers by Author "Hao, Zhifeng"

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Browsing Conference Papers by Author "Hao, Zhifeng"

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  • Lu, Jie; Zhang, Guangquan; Hao, Zhifeng; Wen, W; Yang, Xiao (Springer-Verlag, 2006)
    A fast data preprocessing procedure (FDPP) for support vector regression (SVR) is proposed in this paper. In the presented method, the dataset is firstly divided into several subsets and then K-means clustering is implemented ...
  • Xiao, Yan Shan; Liu, Bo; Cao, Longbing; Wu, Xindong; Zhang, Chengqi; Hao, Zhifeng; Yang, Fengzhao; Cao, Jie (IEEE Computer Society Press, 2009)
    SVDD has been proved a powerful tool for outlier detection. However, in detecting outliers on multi-distribution data, namely there are distinctive distributions in the data, it is very challenging for SVDD to generate a ...
  • Jiang, Yunzhi; Tsai, Po-Hsiang; Hao, Zhifeng; Cao, Longbing (IEEE, 2012)
    Segmentation is a process to obtain the desirable features in image processing. However, the existing techniques that use the multilevel thresholding method in image segmentation are computationally demanding due to the ...
  • Liu, Bo; Xiao, Yanshan; Yu, Philip; Cao, Longbing; Hao, Zhifeng (SIAM, 2013)
    In textual data stream environment, concept drift can occur at any time, existing approaches partitioning streams into chunks can have problem if the chunk boundary does not coincide with the change point which is impossible ...
  • Xiao, Yanshan; Liu, Bo; Yin, Jie; Cao, Longbing; Zhang, Chengqi; Hao, Zhifeng (AAAI Press, 2011)
    Positive and unlabelled learning (PU learning) has been investigated to deal with the situation where only the positive examples and the unlabelled examples are available. Most of the previous works focus on identifying ...
  • Liu, Bo; Lu, Jie; Zhang, Guangquan; Hao, Zhifeng; Gao, Ya (Atlantis Press, 2007)