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DALIAN UNIVERSITY OF TECHNOLOGY Login 中文
Wang Zhelong

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Main positions:Professor, Head of Lab of Intelligent System
Other Post:自动化技术研究所所长
Gender:Male
Alma Mater:University of Durham
Degree:Doctoral Degree
School/Department:School of Control Science and Engineering
Discipline:Control Theory and Control Engineering. Pattern Recognition and Intelligence System. Detection Technology and Automation Device
Business Address:Lab of Intelligent System
http://lis.dlut.edu.cn/
Contact Information:0411-84709010 wangzl@dlut.edu.cn
E-Mail:wangzl@dlut.edu.cn
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Current position: 英文主页 >> Scientific Research >> Paper Publications

基于Logistic回归模型和凝聚函数的多示例学习算法

Hits : Praise

Indexed by:期刊论文

Date of Publication:2010-09-15

Journal:大连理工大学学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:50

Issue:5

Page Number:788-793

ISSN No.:1000-8608

Key Words:多示例学习;Logistic回归模型;凝聚函数;文本分类

Abstract:鉴于很多实际问题都可以转化到多示例框架下求解,多示例学习越来越受到机器学习领域内学者们的关注.提出了一个基于Logistic回归模型的多示例学习算法.首先定义了一个新的似然函数来表示每个包的标签与其示例的隐含标签之间的关系,然后利用凝聚函数把该似然函数转化为一个光滑的凹函数,从而使问题可以用常用的无约束优化方法快速求解.在一些标准数据集和一个文本分类问题上的实验结果表明,所提算法要优于其他常用多示例学习算法.

 

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