Researching of distributed interoperable query scheduling framework.
分布式综合查询调度框架；
Researching of distributed interoperable query scheduling and optimizing technology.
分布式综合查询调度和优化技术研究。
To improve the execution efficiency of the query processors, the authors exploit heuristics to seek the optimum parallel scheduling execution plan for multi-join expressions.
为了提高查询处理器的执行效率，采用启发式规则来搜索最优的多连接表达式并行调度执行计划。
This paper proposes a novel scheduling algorithm called Query-based Scheduling Algorithm(QSA) to address the issue of real-time query processing in on-demand data broadcast environments.
现有的实时数据广播研究中，只考虑了具有截止期约束的单个数据请求的调度问题，而支持实时查询处理的数据广播技术尚未得到足够的关注。
Query processing is one of the key techniques in HIIS, and query decomposition, scheduling and optimization are the central problems for query processing.
查询优化是异构信息集成系统中非常重要而又十分复杂的问题。
Query processing is one of the key techniques in HIIS, and query decomposition, scheduling and optimization are the central problems for query processing.
查询优化是异构信息集成系统中非常重要而又十分复杂的问题。
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