| 基于不确定时态信息的索引技术 |
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| 引用本文： | 曾希君. 基于不确定时态信息的索引技术[J]. 微计算机信息, 2011, 0(5) |
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| 作者姓名： | 曾希君 |
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| 作者单位： | 台州科技职业学院机电工程系; |
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| 摘 要： | 索引技术是时态数据库查询优化的重要方法之一。分析了时态数据库中的不确定时态信息以及基于不确定时态信息的索引技术,并详细讨论了能处理时间变元的改进的4R-tree索引技术的建立过程。
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| 关 键 词： | 时态数据库 不确定时态信息 时态索引 数据变换 查询变换 |
Temporal Index Trees for Uncertain Temporal Information |
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| ZENG Xi-jun. Temporal Index Trees for Uncertain Temporal Information[J]. Control & Automation, 2011, 0(5) |
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| Authors: | ZENG Xi-jun |
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| Affiliation: | ZENG Xi-jun(Department of Mechanical and Electrical Engineering,Taizhou Vocational College Of Science&Technology,Zhe-jiang,318020,Chine) |
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| Abstract: | Index technology is one of the important factors during the process of data query optimizing.This paper analyzed uncertain temporal information in temporal database and the temporal index trees are proposed for the uncertain temporal information in database.At last,it discussed the improved 4R-tree index technollogy's creation process that can handle time-variables. |
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| Keywords: | Temporal database Uncertain temporal information Temporal index transformation of data transformation of queries |
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