| DCG文法及其应用实例 |
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| 引用本文： | 林进新,关英春.DCG文法及其应用实例[J].计算机研究与发展,1992,29(9):31-34,26. |
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| 作者姓名： | 林进新 关英春 |
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| 作者单位： | 北方交通大学计算机系 北京100044 |
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| 摘 要： |
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| 关 键 词： | 自然语言处理 DCG文法 |
DCG Formalism and Its Applying Example |
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| Lin Jinxin, Guan Yingchun Northern Jiaotong University,Beijing.DCG Formalism and Its Applying Example[J].Journal of Computer Research and Development,1992,29(9):31-34,26. |
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| Authors: | Lin Jinxin Guan Yingchun Northern Jiaotong University Beijing |
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| Affiliation: | Lin Jinxin, Guan Yingchun Northern Jiaotong University,Beijing,100044 |
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| Abstract: | This paper introduces DCG (Definite Clause Grammar) formalism proposed by Pereira and Warren, describes the translation process from DCG to Prolog clause, and then analyses its advantage and disadvantage when being applied to natural language processing. Finally, we introduce a DCG described natural language interface for database, which can deal with Chinese imperative sentence access to database. This program has been compeleted in IBM-PC computer. |
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| Keywords: | definite clause grammar (DCG) natural language processing database |
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