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。
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.
数据流管理系统提出了一种通用结构模型，它采用窗口机制，连续查询以及相应的优化策略迅速高效地对实时数据进行在线分析处理。
DSMS is a common model, which adopts window mechanics, continuous query and many optimizing strategy to online analyzing and disposing real-time data quickly and efficiently.
实现了动态测量和静态测量，具有参数设置，时钟设置，数据实时处理、显示、存储、查询以及上传等功能。
It can work either in dynamic or in static state and it also has the functions such as parameter setting, clock setting, data real time displaying, saving, accessing, up sending etc.
类似于关系系统RTQP提供了在MMDB环境下节省内存的查询处理的实现算法，以及遗传算法和实时数据库规则相结合的查询优化方案。
Similar to relational systems, RTQP provides an algorithm for saving main memory space under the MMDB, and a query optimization integrated the rules in RTDBs and the GAs.
“智能协同”模型的最终目的是有效实现城市交通中信息采集协同传输、信息协同处理和信息协同发布与更新，用于实现城市交通实时出行道路查询信息系统中。
The target of " Intelligent Cooperation" model is to provide an intelligent and efficient traffic platform for TIS information exchange, and to implement an online traffic path query system.
系统功能包括图层管理、设备空间查询、事故抢修支持、设备管理、耗材管理、报表处理和实时数据管理。
Based on the request of the power supply, the functions include map-layer management, space query of equipment, record query and fast repair decision on accident etc.
此值是实时测量的，而不是中央处理器的时间，所以一个在轻负载系统的阈值下的查询可能会高于重负载的系统的阈值。
This value is measured in real time, not CPU time, so a query that is under the threshold on a lightly loaded system might be above the threshold on a heavily loaded one.
此值是实时测量的，而不是中央处理器的时间，所以一个在轻负载系统的阈值下的查询可能会高于重负载的系统的阈值。
This value is measured in real time, not CPU time, so a query that is under the threshold on a lightly loaded system might be above the threshold on a heavily loaded one.
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