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›› 2000, Vol. 26 ›› Issue (01): 68-70.

• 论文 • 上一篇    下一篇

基于约束满足的相似时序数据的搜索算法

朱明,蔡庆生   

  1. 中国科学技术大学自动化系 合肥 230027,中国科学技术大学计算机系 合肥 230027
  • 发布日期:2000-01-25

The Time-series Similar Search Algorithm Based on Constraint Satisfaction

Zhu Ming, Cai Qingsheng   

  1. (1. Automation Dept, USTC, Hefei 230027; 2. Computer Dept., USTC, Hefei 230027)
  • Published:2000-01-25

摘要: 提出了一种基于约束满足的启发式搜索方法,用于寻找时序数据相似变化区域。该算法利用所给出的一个局部约束条件和3个全局约束条件,从整体上模仿人对相似时序数据的模糊判断过程,以此找出数据序列中相似的变化区域。并给出了该算法对太阳黑子和纽约证券交易Composite指数数据的实验测试结果。

关键词: 相似时序数据, 约束满足, 启发式搜索, 数据挖掘

Abstract: Time-series similar search is an important study of data mining. This paper puts forward a new method based on the constlaint satisfactory search which combines human heuristic used in judging similarity in the time-series data. A local constraint and three global constraints are seven out to help search out the similar area existed in the bine-series with fuzzyness, and the experiments made on the practical time-series data are also given to prove its effectiveness on finding out similar time-series data.

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