Wanchang Jiang

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Along with the popularity of the optical fiber communication, virtual instrument based online monitoring real-time detecting and automatic diagnosis management system on multi-fiber is proposed in this paper. To manage fiber lines and landmarks, simplified landmark map are presented based on the landmark list. Multi-fiber lines are online monitored, which(More)
Join operator has become more and more important in the context of data stream. Most join algorithms over streams to date are based on nested loop joins or hash joins. However, these time expensive algorithms can not suit for CPU-limited case. In this paper, a clustering-based variable-width histogram is designed for obtaining value distribution of tuples(More)
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