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基于移动实时事务相关图的数据收集 被引量：2

Data Hoarding Based on Relation Graph of Mobile Real-time Transaction
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摘要 在移动环境下,为了满足实时事务在移动主机断接后数据的可用性,在事务启动前,数据必须收集到移动主机的缓存中。根据实时事务的相关性,给出了实时事务的相关图。介绍了基于时间阈值、空间阈值、数据的有效期阈值的收集算法,有效保证数据的可用性和实时事务的定时限制。 In a mobile environment, mobile hosts may disconnect from server frequently. To meet the data availablility during mobile hosts are disconnected, data items accessed by transaction must be hoarded to mobile host. A relation graph of real-time transaction is defined in this paper. According to the relation graph,data hoarding algorithms based on time limit, room limit and validity limit are proposed. Using the algorithms, avaibilitiy of data and the timing constraints of real-time transaction are met.
作者 王敬华 杨进才 刘云生
机构地区 华中师范大学计算机系 华中科技大学计算机学院
出处 《计算机应用研究》 CSCD 北大核心 2005年第3期97-100,共4页 Application Research of Computers
关键词 移动计算 实时事务 事务相关图 数据收集 Mobile Computing Real-time Transaction Transaction Relation Graph Data Hoarding
分类号 TP14 [自动化与计算机技术—控制理论与控制工程]
  • 相关文献

参考文献13

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共引文献21

同被引文献16

  • 1陈婵颖,薛贺,王良家,牛艳芳.缓存技术在移动数据库中的应用研究[J].计算机工程与设计,2006,27(9):1615-1617. 被引量：11
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计算机应用研究
2005年 第3期

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