Shared-Packed Parse Forests and Logical Form
共享打包解析森林和逻辑形式
基本信息
- 批准号:9011179
- 负责人:
- 金额:$ 6.32万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1990
- 资助国家:美国
- 起止时间:1990-08-15 至 1993-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
To simultaneously handle syntactic and semantic ambiguity, we propose using the shared-packed parse forest of Seo and Simmons (1989) in conjunction with the logical form representation of a sentence developed by Harper (1990). If the packed parse forest is used alone, informed decisions about semantic ambiguities cannot be made while addressing syntactic ambiguities. If logical form alone is used, all syntactic ambiguities must be resolved before providing the logical form for the sentence. Logical form can be specified precisely given a parse tree, but with a parser that provides one parse tree at a time, finding the correct parse tree requires exponential time. The algorithm resulting from the wedding of logical form to packed forests will produce a compact intermediate representation for an ambiguous sentence in polynomial time. As syntactic and semantic ambiguity are mutually constraining, maintaining both in the intermediate representation should focilitate their inter- effectiveness. As more information is processed this intermediate representation will be incrementally updated until the parse forest is reduced to a single tree containing one logical form. In addition, the modularity of this approach will reduce the conceptual complexity of the natural language problem.
为了同时处理句法和语义的歧义,我们建议使用Seo和Simmons(1989)的共享打包句法森林,并结合Harper(1990)提出的句子的逻辑形式表示。如果单独使用压缩语法分析林,则在处理句法歧义时不能做出有关语义歧义的明智决定。如果只使用逻辑形式,则必须在为句子提供逻辑形式之前解决所有句法歧义。在给定解析树的情况下,可以精确地指定逻辑形式,但是使用一次提供一个解析树的解析器,找到正确的解析树需要指数级的时间。该算法将逻辑形式与密集森林相结合,将在多项式时间内为歧义语句产生紧凑的中间表示。由于句法和语义歧义是相互制约的,在中间表征中保持两者应该集中在它们的相互有效性上。随着更多信息的处理,该中间表示将被递增地更新,直到解析森林被缩减为包含一种逻辑形式的单个树。此外,这种方法的模块化将降低自然语言问题的概念复杂性。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Mary Harper其他文献
Comparing HMM , Maximum Ent Random Fields for Disflue
比较 Disflue 的 HMM 和最大 Ent 随机字段
- DOI:
- 发表时间:
2005 - 期刊:
- 影响因子:0
- 作者:
Yang Liu;Elizabeth Shriberg;Mary Harper - 通讯作者:
Mary Harper
emKarenia brevis/em bloom patterns on the west Florida shelf between 2003 and 2019: Integration of field and satellite observations
- DOI:
10.1016/j.hal.2022.102289 - 发表时间:
2022-08-01 - 期刊:
- 影响因子:4.500
- 作者:
Chuanmin Hu;Yao Yao;Jennifer P. Cannizzaro;Matt Garrett;Mary Harper;Laura Markley;Celia Villac;Katherine Hubbard - 通讯作者:
Katherine Hubbard
Mary Harper的其他文献
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{{ truncateString('Mary Harper', 18)}}的其他基金
Workshop Proposal on Strategic Planning for an Academic/Industry Center for Language Technologies (Spring 2007, Washington DC metro area)
关于语言技术学术/工业中心战略规划的研讨会提案(2007 年春季,华盛顿特区都会区)
- 批准号:
0702910 - 财政年份:2006
- 资助金额:
$ 6.32万 - 项目类别:
Standard Grant
Workshop: ANLP/NAACL STUDENT RESEARCH WORKSHOP
研讨会:ANLP/NAACL 学生研究研讨会
- 批准号:
0001350 - 财政年份:2000
- 资助金额:
$ 6.32万 - 项目类别:
Standard Grant
SGER: Experiments on Integrating Speech Recognition and Natural Language Processing
SGER:语音识别与自然语言处理相结合的实验
- 批准号:
9704358 - 财政年份:1997
- 资助金额:
$ 6.32万 - 项目类别:
Standard Grant
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