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Statistical Surface Realisation of Portuguese Referring Expressions

机译:葡萄牙语引用表达的统计表面实现

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Natural Language Generation systems usually require substantial knowledge about the structure of the target language in order to perform the final task in the generation process - the mapping from semantic representation to text known as surface realisation. Designing knowledge bases of this kind, typically represented as sets of grammar rules, may however become a costly, labour-intensive enterprise. In this work we take a statistical approach to surface realisation in which no linguistic knowledge is hard-coded, but rather trained automatically from large corpora. Results of a small experiment in the generation of referring expressions show significant levels of similarity between our (computer-generated) text and those produced by humans, besides the usual benefits commonly associated with statistical NLP such as low development costs, domain- and language-independency.
机译:自然语言生成系统通常需要有关目标语言结构的大量知识,以便执行生成过程中的最终任务-从语义表示到文本的映射(称为表面实现)。然而,设计此类知识库(通常表示为语法规则集)可能会成为成本高昂,劳动密集型的企业。在这项工作中,我们采用一种统计方法来实现表面实现,其中不会对语言知识进行硬编码,而是从大型语料库中自动进行训练。生成引用表达式的小型实验结果表明,我们(计算机生成的)文本与人类生成的文本之间具有显着的相似度,此外还具有统计NLP通常带来的通常优势,例如开发成本低,领域和语言独立。

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