An efficient and accurate optimization method of sliding window size for PAA

著录项

• 来源
  《2014 IEEE Computing, Communications and IT Applications Conference》|2014年|283-286|共4页
• 会议地点 Beijing(CN)
• 作者

  Jinyang Liu; Chuanlei Zhang; Shanwen Zhang; Weidong Fang;

  展开▼
• 作者单位

  Sch. of Comput. Sci. Inf. Eng., Tianjin Univ. of Sci. Technol., Tianjin, China;

  展开▼
• 会议组织
• 原文格式 PDF
• 正文语种 eng
• 中图分类
• 关键词

  approximation theory; data mining; mean square error methods; optimisation; time series; PAA algorithm; PAA transformation; PAA window size; information loss; information loss rate; optimization method; performance optimization; piecewise aggregate approximation; query performance improvement; real time series dataset; root mean square distance measure; scalability issue; sliding window size; time series dimensionality reduction; Algorithm design and analysis; Approximation methods; Data mining; Educational instituti;

  机译：逼近理论;数据挖掘;均方误差方法;优化;时间序列; PAA算法; PAA变换; PAA窗口大小;信息​​丢失;信息丢失率;优化方法;性能优化;逐段聚合逼近;查询性能改进;实时序列数据集;均方根距离度量;可伸缩性问题;滑动窗口大小;时间序列降维;算法设计和分析;近似方法;数据挖掘;教育机构;