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Delexicalized Word Embeddings for Cross-lingual Dependency Parsing

机译:用于交叉依赖依赖解析的光学化词嵌入

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This paper presents a new approach to the problem of cross-lingual dependency parsing, aiming at leveraging training data from different source languages to learn a parser in a target language. Specifically, this approach first constructs word vector representations that exploit structural (i.e., dependency-based) contexts but only considering the morpho-syntactic information associated with each word and its contexts. These delexicalized word em-beddings, which can be trained on any set of languages and capture features shared across languages, are then used in combination with standard language-specific features to train a lexicalized parser in the target language. We evaluate our approach through experiments on a set of eight different languages that are part the Universal Dependencies Project. Our main results show that using such delexicalized embeddings, either trained in a monolingual or multilingual fashion, achieves significant improvements over monolingual baselines.
机译:本文提出了一种新的跨语言依赖性解析问题的方法,旨在利用来自不同源语言的培训数据来学习目标语言的解析器。具体地,该方法首先构建利用结构(即依赖性的)上下文的字矢量表示,而是仅考虑与每个单词及其上下文相关联的Morpho语法信息。这些替代的单词EM-BEDDINGS可以在任何一组语言和横跨语言共享的捕获功能培训,然后与标准语言特定功能组合使用,以培训目标语言中的一个词汇化解析器。我们通过关于八种不同语言的实验来评估我们的方法,这些不同语言是普遍依赖项目的一部分。我们的主要结果表明,使用这种光学化的嵌入式,无论是以单声格的还是多语种方式训练,都可以实现对单机基线的显着改进。

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