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Transition-Based Chinese Semantic Dependency Graph Parsing

机译:基于过渡的中文语义依赖图解析

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Chinese semantic dependency graph is extended from semantic dependency tree, which uses directed acyclic graphs to capture richer latent semantics of sentences. In this paper, we propose two approaches for Chinese semantic dependency graph parsing. In the first approach, we build a non-projective transition-based dependency parser with the SwAP-based algorithm. Then we use a classifier to add arc candidates generated by rules to the tree, forming a graph. In the second approach, we build a transition-based graph parser directly using a variant of the list-based transition system. For both approaches, neural networks are adopted to represent the parsing states. Both approaches yield significantly better results than the top systems in the SemEval-2016 Task 9: Chinese Semantic Dependency Parsing.
机译:中文语义依赖图是从语义依赖树扩展而来的,语义依赖树使用有向无环图来捕获更丰富的句子潜在语义。在本文中,我们提出了两种用于中文语义依赖图解析的方法。在第一种方法中,我们使用基于SwAP的算法构建了一个非投影的基于过渡的依赖关系解析器。然后,我们使用分类器将规则生成的弧候选添加到树中,从而形成图形。在第二种方法中,我们直接使用基于列表的过渡系统的变体直接构建基于过渡的图解析器。对于这两种方法,都采用神经网络来表示解析状态。与SemEval-2016任务9:中国语义依赖分析中的顶级系统相比,这两种方法产生的结果都明显更好。

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