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   compound sliding window 的翻译结果: 查询用时:0.006秒
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compound sliding window
相关语句
  复合滑动窗口
     This paper has put forward join algorithms of compound sliding window based on the periodically execution manner, namely CSWSNLJ and CSWSNHJ.
     提出了适用于周期执行的连续查询的复合滑动窗口连接算法 ,即CSWSNLJ算法和CSWSNHJ算法 .
短句来源
     Join algorithms of compound sliding window
     复合滑动窗口连接算法
短句来源
     Aggregate Algorithms of Compound Sliding Window over Data Streams
     数据流上的复合滑动窗口聚集算法
短句来源
     The join algorithm of compound sliding window presented in this article is a sort of symmetric join algorithm based on pipeline.
     本文提出的复合滑动窗口的连接算法是一种基于流水线的对称连接算法。
短句来源
     This paper mainly studys join algorithm of compound sliding, aggregate algorithm of compound sliding and join aggregate algorithm of compound sliding window.
     本文研究的内容主要包括复合滑动窗口的连接操作算法、复合滑动窗口的聚集操作算法和复合滑动窗口的连接聚集操作算法。
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  相似匹配句对
     Join algorithms of compound sliding window
     复合滑动窗口连接算法
短句来源
     Aggregate Algorithms of Compound Sliding Window over Data Streams
     数据流上的复合滑动窗口聚集算法
短句来源
     The Window
     窗口(英文)
短句来源
     The Window
     窗口
短句来源
     Research on Compound Bearing of Sliding and Rolling
     滚滑复合轴承研究
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Sliding window is often used as a sampling method for query processing and obtaining approximate answers over data stream. In data stream systems continuous queries have two types of execution manner: immediately execution manner and periodically execution manner. All the existing query processing algorithms on data streams are based on the immediately execution continuous queries. This paper has put forward join algorithms of compound sliding window based on the periodically execution manner, namely CSWSNLJ...

Sliding window is often used as a sampling method for query processing and obtaining approximate answers over data stream. In data stream systems continuous queries have two types of execution manner: immediately execution manner and periodically execution manner. All the existing query processing algorithms on data streams are based on the immediately execution continuous queries. This paper has put forward join algorithms of compound sliding window based on the periodically execution manner, namely CSWSNLJ and CSWSNHJ. Theoretical analysis and experiment results showed that CSWSNHJ is the most efficient algorithm.

滑动窗口是对数据流进行连续查询处理、得出近似查询结果的一种常用的数据采样技术 .连续查询处理的执行方式有 2类 :一类是立即执行方式 ;一类是周期执行方式 .在已有的研究工作中 ,基于滑动窗口的连接算法都是适用于立即执行的连续查询 .提出了适用于周期执行的连续查询的复合滑动窗口连接算法 ,即CSWSNLJ算法和CSWSNHJ算法 .理论分析和试验结果表明CSWSNHJ算法具有较好的性能

Aggregate based on Sliding window is a focus problem in data stream research.Now all the existing query processing algorithms on data streams are based on the immediately execution continuous queries.Aggregate answers are computed by these algorithms when a tuple comes.But continuous queries are based on the periodically execution manner in fact.This paper presents aggregate algorithms of compound sliding window based on the periodically execution manner.A tuple is inserted into a basic window when...

Aggregate based on Sliding window is a focus problem in data stream research.Now all the existing query processing algorithms on data streams are based on the immediately execution continuous queries.Aggregate answers are computed by these algorithms when a tuple comes.But continuous queries are based on the periodically execution manner in fact.This paper presents aggregate algorithms of compound sliding window based on the periodically execution manner.A tuple is inserted into a basic window when it comes.Aggregate answers are computed when a basic window is inserted fully.This paper presents two types algorithms,namely increment and non-increment.Theoretical analysis and experiment results show that incremental algorithms is the most efficient.

基于滑动窗口的聚集查询是数据流研究领域的一个热点问题。在已有的研究工作中,聚集算法都是针对立即执行的连续查询提出的,这些算法均是当数据流新到一个元组立即计算一次聚集结果。而在实际应用中,连续查询有时采取的是周期执行方式。论文针对周期执行的连续查询提出了复合滑动窗口聚集算法,即数据流新到一个元组,将它插入到基本窗口中,当基本窗口被插满时计算一次聚集结果。给出了非增量式和增量式两种算法。理论分析和实验结果表明增量式算法具有较好的性能。

 
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