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论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2017-09-18编辑:lgg点击率:7063
论文字数:38542论文编号:org201709121514214526语种:英语 English地区:中国价格:$ 66
摘要:本文是英语毕业论文,通过对语料库中模糊准模态动词不确定性意义的解释,也有利于机器翻译和语言教学。此外,在语义和句法特征词义消歧的贡献为其他研究者提供参考。
English modal verbs have been a crucial semantic research area in English language, and the modal verbs can be used to express speaker`s feelings and attitudes towards the propositions and connected with human beings emotion. Therefore, the meaning of modal verbs is a controversial topic in the semantic field. Even though the studies of the primary and secondary modal verbs appear in recent years, there is no research on the quasi-modal verbs, not to mention the studies of its fuzzy meaning related to its semantic and syntactic features. This thesis is an interdisciplinary study dealing with the WSD which will benefit the natural language processing at the same time. Word sense disambiguation (WSD) is an open problem in natural language processing and ontology. In computational linguistics, WSD is identifying when the word has multiple meanings, the solution to this problem impacts the computer-related writing. It has been a long-term challenge to develop the ability in computers to do natural language processing (NLP) and machine learning. In the previous WSD studies, scholars mainly focus on the nouns and some single-meaning verbs, while the English modal verbs are quite different from the WSD of other words. Thus, utilizing the natural language processing methods in the word sense disambiguation can be an effective way to deal with the meanings of modal verbs. Semantic indeterminacy of English modal verbs is composed by gradience, ambiguity and merger. According to Coates (1983), the ambiguity is said to be used when it is not possible to decide which of the two (or more) meanings is intended, thus the ambiguity is an either - or kind of indeterminacy relationship.
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