Entity-Centric Coreference Resolution of Person Entities for Open Information Extraction

  1. Marcos García
  2. Pablo Gamallo
Revista:
Procesamiento del lenguaje natural

ISSN: 1135-5948

Ano de publicación: 2014

Número: 53

Páxinas: 25-32

Tipo: Artigo

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Outras publicacións en: Procesamiento del lenguaje natural

Resumo

Este trabajo presenta un sistema de resolución de correferencia de entidades persona cuya arquitectura se basa en la aplicación secuencial de módulos de resolución independientes y en una estrategia centrada en las entidades. Diversas evaluaciones indican que el sistema obtiene resultados prometedores en varios escenarios (≈71% y ≈ 81% de F1 CoNLL). Con el fin de analizar la influencia de la resolución de correferencia en la extracción de información, un sistema de extracción de información abierta se ha aplicado sobre textos con anotación correferencial. Los resultados de este experimento indican que la extracción de información mejora tanto en cobertura como en precisión. Las evaluaciones han sido realizadas en español, portugués y gallego, y todas las herramientas y recursos son distribuidos libremente..

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