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    • 1. 发明授权
    • Processing irregularly occuring data events in real time
    • 处理不规律地发生数据事件的实时
    • US08103481B2
    • 2012-01-24
    • US11609358
    • 2006-12-12
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • G06F17/00
    • G06Q10/10
    • A system, method and program product for processing irregularly occurring data events in real time. A system is provided for processing a stream of data events occurring over irregular time periods, including: a system for updating a running estimate each time a new data event is detected, wherein the running estimate is calculated based on a value associated with the new data event, an amount of time that elapsed since a previous data event was detected, and a previously calculated running estimate; and an analysis system that analyzes the running estimate after it is updated to identify a suspect data event value.
    • 一种用于实时处理不规则发生的数据事件的系统,方法和程序产品。 提供了一种用于处理在不规则时间段内发生的数据事件流的系统,包括:每次检测到新数据事件时更新运行估计的系统,其中基于与新数据相关联的值来计算运行估计值 事件,从检测到先前的数据事件起经过的时间量,以及先前计算的运行估计值; 以及分析系统,其在更新运行估计之后分析运行估计以识别可疑数据事件值。
    • 2. 发明授权
    • Scaled exponential smoothing for real time histogram
    • 实时直方图的缩放指数平滑
    • US07865332B2
    • 2011-01-04
    • US11620836
    • 2007-01-08
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • G06F19/00
    • G06F17/18
    • A system, method and program product for processing a stream of data events using scaled exponential smoothing for maintaining a histogram. A system is provided having: a set of histogram data that maintains a running value for each of a plurality of buckets; a bucket identification system for identifying a bucket b into which a new data event value belongs; an exponential smoothing system that applies a decay factor to the set of histogram data utilizing a first algorithm for the running value associated with bucket b, and a second algorithm for each remaining running value; and an analysis system for analyzing data event values in view of the histogram data.
    • 一种用于使用缩放指数平滑处理数据事件流以维持直方图的系统,方法和程序产品。 提供了一种系统,其具有:维持多个桶中的每个桶的运行值的一组直方图数据; 用于识别新数据事件值所属的桶b的桶识别系统; 指数平滑系统,使用用于与桶b相关联的运行值的第一算法将衰减因子应用于直方图数据集,以及针对每个剩余运行值的第二算法; 以及用于根据直方图数据分析数据事件值的分析系统。
    • 6. 发明申请
    • REAL TIME ANALYTICS USING HYBRID HISTOGRAMS
    • 使用混合组织学的实时分析
    • US20080140347A1
    • 2008-06-12
    • US11609457
    • 2006-12-12
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • G06F17/18
    • G06F17/18G06Q10/00
    • A system, method and program product for processing a stream of data events using hybrid histograms. A system is provided that includes: a hybrid histogram that provides a running statistical summary of the stream of data events, wherein the hybrid histogram includes a plurality of percentile ranges, a set of boundary values that separate the percentile ranges, and a count associated with each of the percentile ranges; a histogram processing system for identifying a percentile range from the plurality of percentile ranges into which a new data event value falls, and for incrementing the count associated with the identified percentile range; a periodic boundary recalculation system for periodically recalculating the boundary values such that each percentile range includes a substantially similar number of associated counts; and an analysis system that analyzes the hybrid histogram.
    • 一种使用混合直方图处理数据事件流的系统,方法和程序产品。 提供了一种系统,其包括:混合直方图,其提供数据事件流的运行统计摘要,其中所述混合直方图包括多个百分位数范围,分离百分位数范围的一组边界值,以及与 每个百分位数范围; 直方图处理系统,用于从新的数据事件值落入的多个百分点范围中识别百分位数范围,并用于递增与所识别的百分位数范围相关联的计数; 周期性边界重新计算系统,用于周期性地重新计算边界值,使得每个百分位数范围包括基本上相似数量的关联计数; 以及分析混合直方图的分析系统。
    • 8. 发明申请
    • SCALED EXPONENTIAL SMOOTHING FOR REAL TIME HISTOGRAM
    • 用于实时组织的缩放指数平滑
    • US20080167841A1
    • 2008-07-10
    • US11620836
    • 2007-01-08
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • Mark S. RamseyDavid A. SelbyStephen J. Todd
    • G06F17/10
    • G06F17/18
    • A system, method and program product for processing a stream of data events using scaled exponential smoothing for maintaining a histogram. A system is provided having: a set of histogram data that maintains a running value for each of a plurality of buckets; a bucket identification system for identifying a bucket b into which a new data event value belongs; an exponential smoothing system that applies a decay factor to the set of histogram data utilizing a first algorithm for the running value associated with bucket b, and a second algorithm for each remaining running value; and an analysis system for analyzing data event values in view of the histogram data.
    • 一种用于使用缩放指数平滑处理数据事件流以维持直方图的系统,方法和程序产品。 提供了一种系统,其具有:维持多个桶中的每个桶的运行值的一组直方图数据; 用于识别新数据事件值所属的桶b的桶识别系统; 指数平滑系统,使用用于与桶b相关联的运行值的第一算法将衰减因子应用于直方图数据集,以及针对每个剩余运行值的第二算法; 以及用于根据直方图数据分析数据事件值的分析系统。