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Syntax-based transfer learning for the task of biomedical relation extraction.

Joël Legrand1, Yannick Toussaint2, Chedy Raïssi2

  • 1Université de Lorraine, CNRS, Inria, LORIA, Nancy, 54000, France. joel.legrand@inria.fr.

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Summary
This summary is machine-generated.

Transfer learning with TreeLSTM improves relation extraction in biomedical texts, especially when data is scarce. Domain adaptation and syntactic features are key to achieving state-of-the-art performance.

Keywords:
Biomedical relation extractionDeep learningTransfer learning

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Area of Science:

  • Biomedical Natural Language Processing
  • Machine Learning
  • Deep Learning

Background:

  • Transfer learning reuses data from related problems to enhance machine learning performance.
  • Domain adaptation specifically leverages data from similar tasks in distinct domains.
  • Deep learning in Natural Language Processing often requires large annotated corpora, which may be unavailable for specific domains.

Purpose of the Study:

  • To investigate the effectiveness of transfer learning for relation extraction in biomedical texts using the TreeLSTM model.
  • To evaluate the impact of domain adaptation on TreeLSTM performance for biomedical relation extraction.
  • To analyze the role of syntactic features in transfer learning for this task.

Main Methods:

  • Utilized the TreeLSTM model for relation extraction.
  • Implemented domain adaptation techniques to transfer knowledge from source to target biomedical domains.
  • Conducted experiments on multiple biomedical relation extraction tasks with varying data availability.

Main Results:

  • Achieved superior performance compared to the state of the art on two biomedical relation extraction tasks.
  • Matched state-of-the-art performance on two additional tasks with limited annotated data.
  • Demonstrated the significant impact of TreeLSTM, particularly with domain adaptation.

Conclusions:

  • Transfer learning offers a viable solution for relation extraction in resource-scarce biomedical domains.
  • Domain adaptation is crucial for maximizing performance when labeled data is limited.
  • Syntactic features play a vital role in effective transfer learning for biomedical relation extraction.