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    • 26. 发明授权
    • Scaled exponential smoothing
    • 缩放指数平滑
    • US08631054B2
    • 2014-01-14
    • US13030265
    • 2011-02-18
    • Stephen James Todd
    • Stephen James Todd
    • G06F7/00G06F7/38
    • G06F11/3452G06F11/3476
    • A method and system for scaled exponential smoothing are provided. Multiple exponentially smoothed values are maintained for items and events occur on one or more of the items. The method maintains a gradually inflated representation of the smoothed values of items, such that the representation at a given time for an item where no event has occurred is not altered. Using a scaling technique enables the smoothed values for the objects on which an event has not occurred to remain the same. This reduces the number of calculations required significantly, enabling the use of the smoothing technique in a wide range of applications.
    • 提供了一种用于缩放指数平滑的方法和系统。 维持多个指数平滑值,用于在一个或多个项目上发生的项目和事件。 该方法保持项目的平滑值的逐渐膨胀的表示,使得在给定时间对于没有发生事件的项目的表示不被改变。 使用缩放技术可以使尚未发生事件的对象的平滑值保持不变。 这大大减少了所需的计算次数,可以在广泛的应用中使用平滑技术。
    • 28. 发明授权
    • Processing of expressions
    • 表达式的处理
    • US08381201B2
    • 2013-02-19
    • US13367523
    • 2012-02-07
    • Stephen James Todd
    • Stephen James Todd
    • G06F9/45G06F9/44
    • G06F9/546G06F2209/547
    • In many messaging systems, message selection filtering involves a significant processing overhead. This includes the parsing and preparing of the message selection filters in readiness for evaluation, as well as the evaluation itself. In systems which involve parsing and prepare processing for expressions that include repeated patterns (such as in many JMS environments), a template-based shortcutting of the conventional processing improves performance. A stored parsing template is used to parse an input sequence such as a received data processing instruction. The parse is used to identify expressions of a first type that can then be implicitly optimized by using a stored evaluation template that is associated with expressions of that type.
    • 在许多消息系统中,消息选择过滤涉及重要的处理开销。 这包括对准备评估的消息选择过滤器的解析和准备以及评估本身。 在涉及解析和准备包括重复模式(例如在许多JMS环境中)的表达式的处理的系统中,常规处理的基于模板的快捷方式提高了性能。 存储的解析模板用于解析诸如接收的数据处理指令之类的输入序列。 解析用于识别第一类型的表达式,然后可以通过使用与该类型的表达式相关联的存储评估模板进行隐式优化。
    • 29. 发明申请
    • PROCESSING OF EXPRESSIONS
    • 表达处理
    • US20120137276A1
    • 2012-05-31
    • US13367523
    • 2012-02-07
    • STEPHEN JAMES TODD
    • STEPHEN JAMES TODD
    • G06F9/45
    • G06F9/546G06F2209/547
    • In many messaging systems, message selection filtering involves a significant processing overhead. This includes the parsing and preparing of the message selection filters in readiness for evaluation, as well as the evaluation itself. In systems which involve parsing and prepare processing for expressions that include repeated patterns (such as in many JMS environments), a template-based shortcutting of the conventional processing improves performance. A stored parsing template is used to parse an input sequence such as a received data processing instruction. The parse is used to identify expressions of a first type that can then be implicitly optimized by using a stored evaluation template that is associated with expressions of that type.
    • 在许多消息系统中,消息选择过滤涉及重要的处理开销。 这包括对准备评估的消息选择过滤器的解析和准备以及评估本身。 在涉及解析和准备包括重复模式(例如在许多JMS环境中)的表达式的处理的系统中,常规处理的基于模板的快捷方式提高了性能。 存储的解析模板用于解析诸如接收的数据处理指令之类的输入序列。 解析用于识别第一类型的表达式,然后可以通过使用与该类型的表达式相关联的存储评估模板进行隐式优化。