| 语篇分析在实体语义关系抽取中的应用 |
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| 引用本文： | 潘珅,庄成龙,朱巧明,钱龙华,丁金涛.语篇分析在实体语义关系抽取中的应用[J].苏州大学学报(医学版),2009,25(1):36-41. |
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| 作者姓名： | 潘珅 庄成龙 朱巧明 钱龙华 丁金涛 |
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| 作者单位： | 苏州大学,计算机科学与技术学院,江苏,苏州,215006
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| 基金项目： | 国家高技术研究发展计划(863计划)，国家自然科学基金 |
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| 摘 要： | 长距离的实体间关系识别是语义关系抽取中的难点．从修辞结构理论出发，提出把语篇树与复杂句法树相结合的方法，进行了对照实验，结果表明语篇分析对于实体关系分类有一定的作用．语篇分析在关系抽取中的研究还处于起步阶段，本文的方法为以后的深入研究提供了一个基础．
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| 关 键 词： | 语篇分析 关系抽取 修辞结构理论 树核方法 |
Application of discourse analysis in entity semantic relation extraction |
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| Pan Shen,Zhuang Chenglong,Zhu Qiaoming,Qian Longhua,Ding Jintao.Application of discourse analysis in entity semantic relation extraction[J].Journal of Suzhou University(Natural Science),2009,25(1):36-41. |
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| Authors: | Pan Shen Zhuang Chenglong Zhu Qiaoming Qian Longhua Ding Jintao |
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| Affiliation: | School of Computer Science and Technology;Suzhou Univ.;Suzhou 215006;China |
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| Abstract: | Semantic Relation Extraction for the long-distance relations instances don't perform well.On the basis of Rhetorical Structure Theory(RST),the discourse analysis tree is combined with the original parse tree in a novel way.Tentative evaluation on the ACE RDC 2004 corpus shows that the discourse analysis tree structure is useful on extraction of long-distance relations and improves the performance.Research of discourse analysis in relation extraction is still at an early stage,so our methods proposed is a ba... |
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| Keywords: | discourse analysis relation extraction rhetorical structure theory kernel function |
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