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短语结构到依存结构树库转换研究

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2010-07-15

Journal: 大连理工大学学报

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

Volume: 50

Issue: 4

Page Number: 609-613

ISSN: 1000-8608

Key Words: 句法分析;短语结构;依存结构;树库;转换

Abstract: 为基于真实语料进行句法分析,构建了大规模的短语结构树库和依存结构树库,并尝试在两种结构的树库之间进行转换.讨论了宾州中文树库(Penn Chinese Treebank,CTB)中短语结构树库和依存结构树库的关系,并基于现代中文依存文法制定了中心子节点过滤表,依据该表将短语结构的CTB转换为依存结构树库.在CTB中随机抽取200句语料,转换正确率达到了99.50%.基于该转换得到的依存结构树库可以进一步进行中文依存关系解析的研究.

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