一种解决方案是服务器根据关联规则挖掘出的规律，对热点数据进行预测，并利用数据广播技术将热点数据不断地推向移动客户机。
One resolution is that server predicts hot data with the rule discovered in association rule mining and USES data broadcasting technology to push hot data to mobile client.
在数字广播系统的应用、服务部分，主要介绍了商业化的应用类型，介绍了流行的音视频编码方案，以及结合IP的数据广播技术。
As for the other part, it introduces the varieties of commercialization, the popular standard of audio and video, and the digital broadcasting technology combined with IP.
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.
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