中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
HNC语境生成研究

文献类型:学位论文

作者陈磊
学位类别博士
答辩日期2000
授予单位中国科学院声学研究所
授予地点中国科学院声学研究所
关键词HNC理论 自然语言处理 语境 框架
中文摘要HNC语境生成研究是HNC理论向篇章处理迈出的第一步。本文首先明确了HNC语境生成所要解决的问题,介绍了人工智能中的框架表示方法,并提出了叙述文的HNC基本语境框架Γ模型,Γ包括人物子框架α和事件子框架β。接着主要讲述了HNC理论的语境分类,并且从不同角度分析了提出语境分类的意义及必要性。语境信息是客观存在的,并且能体现在语词的语义中,可以从语词的HNC符号表达中提取。针对HNC的一号语境(专业活动),本文提出了语境框架基于假设——检验的生成方法。利用专业活动“专业人员参与专业活动”的语境特性,通过Eg-JK语境同行性检验生成语境假设,然后,利用Eg-JK语境同行性检验,对假设进行检验。在语境框架确定后,可以将对象和事件填入框架的不同槽和侧面中。本章提出了以上操作的算法,并给出了实例。最后,展示了语境生成在音字转换、模糊消解、文献分类和自动文摘等方面的应用。
英文摘要Research on Context Situation Generation (CSG) is the first step of HNC research on chapter processing. Firstly, the thesis makes clear what is the focus of HNC's Context Situtation Generation(CSG), introduces the Frame of AI and set up the basic Context Situation Model (Γ) of narration, which includes subframe α of the Object and subframe β of the Action. Then the thesis mainly introduses the Context Situation's classification of HNC, and analysis the importance of classification from several aspects. Context Situation exists in the semantic of words and can be extracted from the description of word's HNC symbol. Focused on Nol Context Sitation (Professional Activity), the thesis provides the Genetration Algorithm based on Hypothesis - Verification strategy. Using the feature of professional activity -"professinal person join the professional activity", the Context Situation hypothesis is generated by calculating the Context Situation similitude of Eg-JK, which can also be used to verify the hypothesis. After the Context Situation Frame is made sure, the actural object and action in chaper can be filled into it. In the thesis, above algorithms are provided and examples are showed. At last, the application of Context Situation in several aspects is introduced, including syllable to character transform, disambiguation of multi-sense word, article classification and automatic abstract generation.
语种中文
公开日期2011-05-07
页码61
源URL[http://159.226.59.140/handle/311008/688]  
专题声学研究所_声学所博硕士学位论文_1981-2009博硕士学位论文
推荐引用方式
GB/T 7714
陈磊. HNC语境生成研究[D]. 中国科学院声学研究所. 中国科学院声学研究所. 2000.

入库方式: OAI收割

来源:声学研究所

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