摘要： 机器理解藏文语句存在灵活性差和复杂性高的问题。为此,针对藏文相同语义句子的不同表达方式,设计复述句自动生成方法。通过对藏文句型结构、句子内部组块进行分析,利用全排列递归算法生成复述句。实验结果显示,与其他语言复述生成方法不同,该方法根据藏文句子中组块数量的不同,通过一个句子可以生成一个或多个,甚至上千个句义相同的复述句并且准确率达到93.4%,可应用于藏汉机器翻译、机器翻译评测和藏文问答系统等领域。

关键词: 复述生成, 藏文, 语序变换, 句型结构, 组块分析

Abstract: Aiming at the problem of the flexibility and complexity of machines to understand natural language and Tibetan sentences,in view of the different expressions of the same semantic sentences in Tibetan language,this paper proposes a Tibetan paraphrases sentence generation method.Through the parsing of the sentence structure of Tibetan and the internal chunks of sentences,it uses permutation recursive algorithm to generate paraphrases sentence.Experimental results show that different from other languages and Tibetan chunks,the number of chunks in a sentence can generate one or more or even thousands of complex sentences with the same semantic meanings by the proposed method,and the accuracy of automatic generation of Tibetan paraphrases sentences reaches 93.4%.It can be applied to Tibetan-Chinese machine translation,machine translation evaluation,Tibetan QA system and other research fields.

Key words: paraphrase generation, Tibetan, word order transformation, sentence structure, chunk parsing

中图分类号: 

• TP18