Indexed by:
Abstract:
针对进化树(Eteee)中搜索到的最佳匹配单元(BMU)往往有较大聚类误差的问题,提出了一种改进型Etree.首先,当找到BMU后,不仅更新它的权值,而且逐层向上修改它祖先结点的权值直至根结点;其次,对Etree中较低层次的叶子结点采用较低的分裂阈值.另外,采用了一种改进方法来确定Etree中两个结点间的距离.实验结果表明,改进型Etree用较少的时间代价大大减少了聚类误差.
Keyword:
Reprint 's Address:
Email:
Version:
Source :
太原理工大学学报
ISSN: 1007-9432
CN: 14-1220/N
Year: 2009
Issue: 5
Volume: 40
Page: 504-507
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: 1
Affiliated Colleges: