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Minimum entropy approach to word segmentation problems
Wang, B; Wang, B , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2001
发表期刊PHYSICA A
ISSN0378-4371
卷号293期号:40972页码:583-591
摘要Given a sequence composed of a limited number of characters, we try to "read" it as a "text", This involves segmenting the sequence into "words". The difficulty is to distinguish good segmentation from enormous numbers of random ones. Aiming at revealing the nonrandomness of the sequence as strongly as possible, by applying maximum likelihood method, we find a quantity called segmentation entropy that can be used to fulfill the aim. Contrary to commonplace where maximum entropy principle was applied to obtain good solution, we chose to minimize the segmentation entropy to obtain good segmentation. The concept developed in this letter carl be used to study the noncoding DNA sequences, e.g,, for regulatory elements prediction, in eukaryote genomes. (C) 2001 Elsevier Science B.V. All rights reserved.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Inst Computat Math & Sci Engn Comp, State Key Lab Sci & Engn Comp, Beijing 100080, Peoples R China
关键词Sequences
学科领域Physics
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收录类别SCI
WOS记录号WOS:000168730500023
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12775
专题理论物理所1978-2010年知识产出
通讯作者Wang, B , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Wang, B,Wang, B , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Minimum entropy approach to word segmentation problems[J]. PHYSICA A,2001,293(40972):583-591.
APA Wang, B,&Wang, B , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2001).Minimum entropy approach to word segmentation problems.PHYSICA A,293(40972),583-591.
MLA Wang, B,et al."Minimum entropy approach to word segmentation problems".PHYSICA A 293.40972(2001):583-591.
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