Employing Oracle Confusion for Parse Quality Estimation (original) (raw)

Lecture Notes in Computer Science, 2015

Abstract

We propose an approach for Parse Quality Estimation based on the dynamic computation of an entropy-based confusion score for directed arcs and for joint prediction of directed arcs and their dependency labels, in a typed dependency parsing framework. This score accompanies a parsed output and aims to present an exhaustive picture of the parse quality, detailed down to each arc of the parse tree. The methodology explores the confusion encountered by the oracle of a transition-based data-driven dependency parser. We support our hypothesis by analytically illustrating, for 18 languages, that the arcs with high confusion scores are notably the predominant parsing errors.

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