Hierarchical Recognition of Propositional Arguments with Perceptrons

  title={Hierarchical Recognition of Propositional Arguments with Perceptrons},
  author={Xavier Carreras and Llu{\'i}s M{\`a}rquez i Villodre and Grzegorz Chrupala},
  booktitle={CoNLL 2004},
We describe a system for the CoNLL-2004 Shared Task on Semantic Role Labeling (Carreras and Màrquez, 2004a). The system implements a two-layer learning architecture to recognize arguments in a sentence and predict the role they play in the propositions. The exploration strategy visits possible arguments bottom-up, navigating through the clause hierarchy. The learning components in the architecture are implemented as Perceptrons, and are trained simultaneously online, adapting their behavior to… CONTINUE READING
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Introduction to the CoNLL-2004 Shared Task: Semantic Role Labeling

Xavier Carreras, Lluís Màrquez.
Proceedings of CoNLL-2004. • 2004
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