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author:

翟婷婷 (翟婷婷.) [1] | 何振峰 (何振峰.) [2] (Scholars:何振峰)

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CQVIP PKU CSCD

Abstract:

针对实例选择算法INSIGHT存在选出的实例类别分布不均衡和得分相等的实例的重要性无法区分两个问题,分别提出了改进算法.改进算法B-INSIGHT1基于分治思想,通过筛选出训练集各类中最具有代表性的实例,来确保选出的实例类别分布尽可能均衡.改进算法B-INSIGHT2将改进算法B-INSIGHT1的单重排序改进成了双重排序,以便更有效地衡量实例的重要性.实验结果表明,在时间复杂度基本不变的前提下,所提算法在分类准确率上均优于INSIGHT算法.

Keyword:

Hubness 分类 实例选择 时间序列 类别均衡

Community:

  • [ 1 ] [翟婷婷]福州大学
  • [ 2 ] [何振峰]福州大学

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Source :

计算机应用

ISSN: 1001-9081

CN: 51-1307/TP

Year: 2012

Issue: 11

Volume: 32

Page: 3034-3037

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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