AUGMENTED MUTUAL INFORMATION FOR MULTI-WORD EXTRACTION

	AUGMENTED MUTUAL INFORMATION FOR MULTI-WORD EXTRACTION
	Zhang, Wen 1; Yoshida, Taketoshi 1; Ho, Tu Bao 1; Tang, Xijin 2
刊名	INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL
	2009-02-01
卷号	5 期号:2 页码:543-554
关键词	Multi-word extraction Mutual information Augmented mutual information Word dependency
ISSN号	1349-4198
英文摘要	In order to extract multi-words from documents, mutual information (MI), as a statistical method, is the most popular solution under consideration. However, there are two kinds of deficiencies inherent in MI. One is the problem of unilateral co-occurrence, and the other is rare occurrence problem. To attack these two problems, augmented mutual information (AMI) is proposed in this paper to measure word dependency for multi-word extraction. We prove theoretically that AMI has the capacity to approximate MI to capture the independency of individual words, but it will amplify the significance of dependent individual words which may be possible multi-words. And our experimental results on Chinese multi-word extraction demonstrate that AMI method has superior performance to traditional MI method.
资助项目	Ministry of Education, Culture, Sports, Science and Technology of Japan ; National Natural Science Foundation of China[70571078] ; National Natural Science Foundation of China[70221001]
WOS研究方向	Automation & Control Systems ; Computer Science
语种	英语
出版者	ICIC INT
WOS记录号	WOS:000263795500028
内容类型	期刊论文
源URL	[http://ir.amss.ac.cn/handle/2S8OKBNM/7439]
专题	中国科学院数学与系统科学研究院
通讯作者	Zhang, Wen
作者单位	1.Japan Adv Inst Sci & Technol, Sch Knowledge Sci, Nomi, Ishikawa 9231292, Japan 2.Chinese Acad Sci, Inst Syst Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Wen,Yoshida, Taketoshi,Ho, Tu Bao,et al. AUGMENTED MUTUAL INFORMATION FOR MULTI-WORD EXTRACTION[J]. INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL,2009,5(2):543-554.
APA	Zhang, Wen,Yoshida, Taketoshi,Ho, Tu Bao,&Tang, Xijin.(2009).AUGMENTED MUTUAL INFORMATION FOR MULTI-WORD EXTRACTION.INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL,5(2),543-554.
MLA	Zhang, Wen,et al."AUGMENTED MUTUAL INFORMATION FOR MULTI-WORD EXTRACTION".INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL 5.2(2009):543-554.