Therefore, how to efficiently and accurately execute query on a large number of XML data becomes an important topic.
因此，如何高效准确地查询大量的XML数据成为目前值得研究的一个重要课题。
It is one of the major tasks to execute query timely with less performance and precise loss in a data stream system when the system resource is limited.
如何在资源有限的情况下，快速执行查询处理并最大限度地减少查询精度的损失是数据流查询处理的主要任务之一。
It is one of the major tasks to execute query timely with less performance and precise loss in a data stream system when the system resource is limited.
如何在资源有限的情况下，快速执行查询处理并最大限度地减少查询精度的损失是数据流查询处理的主要任务之一。
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