To improve the efficiency of query processing, data replication method is used in some data integration systems.
一些数据集成系统为了提高查询处理的效率，采用数据复制方法。
As the core operation of XML query processing, the efficient implementation of structural join is the key to improve XML query processing.
作为XML查询处理的核心操作，结构连接操作的高效实现是提高查询处理效率的关键。
This paper proposes how to improve the ability of processing the implicit knowledge of the database of the query sentences.
本文增强了对查询语句中的数据库隐含知识的处理能力。
This paper proposes two new full-text indexing models to improve query-processing efficiency of IR systems.
提出两种新型全文索引模型，用于改善信息检索系统的查询效率。
The problem of deadline and critical are two major characteristics, so it is necessary to do research for a proper real-time processing strategy in order to improve query efficiency.
截止期和关键性是这类应用中的两个突出特征，结合这些特征研究合适的数据流处理技术对提高关键任务型应用的处理效率是非常必要的。
The problem of deadline and critical are two major characteristics, so it is necessary to do research for a proper real-time processing strategy in order to improve query efficiency.
截止期和关键性是这类应用中的两个突出特征，结合这些特征研究合适的数据流处理技术对提高关键任务型应用的处理效率是非常必要的。
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