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Automatic Legal Document Analysis: Improving the Results of Information Extraction Processes Using an Ontology

  • María G. Buey
  • Cristian Roman
  • Angel Luis Garrido
  • Carlos Bobed
  • Eduardo Mena
Chapter
Part of the Studies in Big Data book series (SBD, volume 40)

Abstract

Information Extraction (IE) is a pervasive task in the industry that allows to obtain automatically structured data from documents in natural language. Current software systems focused on this activity are able to extract a large percentage of the required information, but they do not usually focus on the quality of the extracted data. In this paper we present an approach focused on validating and improving the quality of the results of an IE system. Our proposal is based on the use of ontologies which store domain knowledge, and which we leverage to detect and solve consistency errors in the extracted data. We have implemented our approach to run against the output of the AIS system, an IE system specialized in analyzing legal documents and we have tested it using a real dataset. Preliminary results confirm the interest of our approach.

Keywords

Information extraction Natural language processing Ontologies Data curation Legal document analysis 

Notes

Acknowledgements

This research work has been supported by projects TIN2013-46238-C4-4-R, TIN2016-78011-C4-3-R (AEI/FEDER, UE), and DGA/FEDER.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • María G. Buey
    • 1
  • Cristian Roman
    • 1
  • Angel Luis Garrido
    • 2
  • Carlos Bobed
    • 2
  • Eduardo Mena
    • 2
  1. 1.InSynergy Consulting S.A.MadridSpain
  2. 2.Department of Computer Science and System EngineeringUniversity of ZaragozaZaragozaSpain

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