一种机器翻译系统用词典的设计及其结构

Lexicon design and organization of dictionary of machine translation system

提出了机器翻译系统的词典设计目标，讨论了大型动态词典文件的组织方法．根据汉语词分布不均匀的特点，提出一种扩充的Ｂ＋树索引词典文件结构，并给出该词典的查询算法及词典结构的评估．实践证明该词典结构达到了机器翻译系统的要求，其结构是合理的．

The design goals of dictionary used in machine translation system are proposed. The organization method of large scale dynamic dictionary file is discussed too. According to the feature of Chinese words' non equal distribution, the paper presents a kind of structure of dictionary based on extended binary tree index and a search algorithm. Finally, the authors summarize the efficiency of the dictionary structure.