The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login
|
Sign Up
|
Oriprobe Inc.
|
Feed
Home
Journals
Order
TOC Alerts
Subscription
Products & Services
Pricing
FAQ
About
Journal Articles
Laws/Policies/Regulations
Companies/Products
Title, abstract, keywords:
Combined Search
Advanced Search
Pay per View through On Demand Search
Package:
ALL
Astro-Earth Science
Agriculture
Physics
Mathematics
Arts & Humanities
Medline Collection
Health/Medicine/Biology
Chemistry/Chemical Engineering
English Journals
Traditional Chinese Medicine
NPC CPPCC Journals
China Defense and Military Sciences
Author:
Journal / Book Title:
Year:
Volume:
Issue:
Improvement of clustering algorithm in chinese web retrieval
Author(s):
GENG Yu-liang
,
CHEN Jia-qi
,
WANG Yong-mei
Pages:
2685
-
2687
Year:
2005
Issue:
10
Journal:
COMPUTER ENGINEERING AND DESIGN
Keyword:
文本聚类算法
;
信息检索
;
Web挖掘
;
Abstract:
对基于混合相似度的HTFC算法进行改进,要做的预处理是:建立向量空间模型,计算文档和链接的混合相似度.算法过程是:首先随机选取√kn个文档进行层次聚类,直到剩k个聚簇为止;对这k个聚簇不断迭代直到集合元素不再变化为止;然后表示出每类;最后通过用户对结果的反馈使得新生成的簇继续迭代,最终满足用户需求.算法第1步采用的是改进的k-means算法,可提高运行效率.反馈机制对原有模型进一步修正,从而提高精度.
Citations
System Exception
Related Articles
loading...