If several rules are operating on the same data set, then execute them as a rule set to minimize the execution time.
如果在同一数据集上运行多个规则，那么以规则集的方式执行将最小化执行时间。
The direction of this execution context parameter should be set as IN_OUT, since the information it carries goes back and forth between the calling component and the rule service.
这个执行上下文参数的方向应设置为IN_OUT，因为它携带的信息在调用方组件和规则服务之间来回传送。
The XU handles low-level details of rule set execution and provides access to manage its resources.
XU 处理规则集执行的低层细节，提供对资源的访问。
This may significantly impact the execution time of the rule when executed on a large data set.
在针对大数据集执行时，这会很明显地影响执行时间。
Figure 6 shows the how the execution time for a rule set made up of 10 rules is 74% fast than executing the same 10 rules separately.
图6展示了由10个规则所构成的规则集的执行时间比分别执行10个规则要快74%。
Execution components are components that authorize the execution of a rule set by the XU.
执行组件授权XU执行规则集。
First, to invoke the rule set using a Web service, you need to export WSDL for the target rule application from the rule Execution Server console (Figure 20).
要想使用Web服务调用规则集，首先需要从Rule ExecutionServer控制台导出目标规则应用程序的WSDL(图20)。
To use a Web service to access the rule set, the hosted transparent decision service (jrules-res-htds-WAS7.ear) is deployed to the same Process Server, where the rule Execution Server is located.
要想使用Web服务访问规则集，应该把驻留的透明决策服务(jrules - res - htds - WAS7 . ear)部署到rule ExecutionServer所在的Process Server。
To use a Web service to access the rule set, the hosted transparent decision service (jrules-res-htds-WAS7.ear) is deployed to the same Process Server, where the rule Execution Server is located.
要想使用Web服务访问规则集，应该把驻留的透明决策服务(jrules - res - htds - WAS7 . ear)部署到rule ExecutionServer所在的Process Server。
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