Figure 3 shows an example of a Boolean filter for the human task metric Completed.

图3所示的Boolean过滤器示例针对人工任务指标Completed。

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Filter criteria are specified as the column name, followed by an equality, inequality, or Boolean operator, followed by the filter value.

过滤条件可以指定为列名，其后跟等式、不等式或布尔运算符，然后是过滤值。

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An event subscription contains a filter, which is a Boolean expression that evaluates to true for events it subscribes to and to false for all other events.

事件订阅包含筛选器，这是一个布尔表达式，对所订阅的事件求值为True，对其他所有事件求值为False。

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