Classification betters regression in query-based multi-document summarisation techniques for question answering

Macquarie University at BioASQ7b

Diego Mollá*, Christopher Jones

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

Task B Phase B of the 2019 BioASQ challenge focuses on biomedical question answering. Macquarie University’s participation applies query-based multi-document extractive summarisation techniques to generate a multi-sentence answer given the question and the set of relevant snippets. In past participation we explored the use of regression approaches using deep learning architectures and a simple policy gradient architecture. For the 2019 challenge we experiment with the use of classification approaches with and without reinforcement learning. In addition, we conduct a correlation analysis between various ROUGE metrics and the BioASQ human evaluation scores.

Original languageEnglish
Title of host publicationMachine Learning and Knowledge Discovery in Databases
Subtitle of host publicationInternational Workshops of ECML PKDD 2019, Proceedings
EditorsPeggy Cellier, Kurt Driessens
Place of PublicationCham, Switzerland
PublisherSpringer, Springer Nature
Pages624-635
Number of pages12
ISBN (Electronic)9783030438876
ISBN (Print)9783030438869
DOIs
Publication statusPublished - 2020
Event19th Joint European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, ECML PKDD 2019 - Wurzburg, Germany
Duration: 16 Sep 201920 Sep 2019

Publication series

NameCommunications in Computer and Information Science
Volume1168 CCIS
ISSN (Print)1865-0929
ISSN (Electronic)1865-0937

Conference

Conference19th Joint European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, ECML PKDD 2019
CountryGermany
CityWurzburg
Period16/09/1920/09/19

Keywords

  • Deep learning
  • Evaluation
  • Query-based summarisation
  • Reinforcement learning

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  • Cite this

    Mollá, D., & Jones, C. (2020). Classification betters regression in query-based multi-document summarisation techniques for question answering: Macquarie University at BioASQ7b. In P. Cellier, & K. Driessens (Eds.), Machine Learning and Knowledge Discovery in Databases: International Workshops of ECML PKDD 2019, Proceedings (pp. 624-635). (Communications in Computer and Information Science; Vol. 1168 CCIS). Cham, Switzerland: Springer, Springer Nature. https://doi.org/10.1007/978-3-030-43887-6_56