广义数据流索引和时态查询处理

T. Y. Leung, R. Muntz
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引用次数: 21

摘要

提出了一种基于有效起始时间属性的时间数据流索引技术。索引可以用于处理复杂的时态模式查询(如多路连接),这些查询可以用快照操作符(如as of)来限定。提出了该方案的优点和局限性,并对存储需求进行了定量分析。作者提出了一些可以减少存储需求的优化方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Generalized data stream indexing and temporal query processing
Presents a novel indexing technique for temporal data stream which are sorted on the effective start time attribute. The index can be exploited in processing complex temporal pattern queries (such as multi-way joins) that are qualified with snapshot operators (e.g. the 'as of' operator). The advantages and limitations of the proposed scheme and a quantitative analysis of the storage requirements are presented. The authors propose some optimization alternatives that can reduce the storage requirements.<>
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