한국문헌정보학회지 (Journal of the Korean Society for Library and Information Science)

한국문헌정보학회 (Korean Society For Library And Information Science)
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기계 학습을 이용한 바이오 분야 학술 문헌에서의 관계 추출에 대한 실험적 연구

An Experimental Study on the Relation Extraction from Biomedical Abstracts using Machine Learning

  • 투고 : 2016.05.04
  • 심사 : 2016.05.18
  • 발행 : 2016.05.30
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문에서는 지지벡터기계(Support Vector Machines, SVM) 기반의 기계 학습 모듈을 활용하여 특정 문장 내에서의 두 개체 간의 관계를 자동으로 식별하고 분류하는 바이오 분야 관계 추출 시스템을 제안한다. 제안된 시스템의 특징은 개체를 포함하고 있는 문장 내에서 풍부한 언어 자질을 추출하여 학습에 활용함으로써 그 성능을 극대화할 수 있는 다양한 기능들을 포함하고 있다는 점이다. 제안된 시스템의 성능 측정을 위해서 전 세계적으로 많이 활용되고 있는 바이오 분야 관계 추출 표준 컬렉션 3가지를 활용하여 심층적인 실험을 수행한 결과 모든 컬렉션에서 높은 성능을 획득하여 그 우수성을 입증하였다. 결론적으로, 본 논문에서 수행한 바이오 분야 관계 추출에 대한 광범위하고 심층적인 실험 연구가 향후 기계학습 기반의 바이오 분야 텍스트 분석 연구에 많은 시사점을 제공할 것으로 보인다.

This paper introduces a relation extraction system that can be used in identifying and classifying semantic relations between biomedical entities in scientific texts using machine learning methods such as Support Vector Machines (SVM). The suggested system includes many useful functions capable of extracting various linguistic features from sentences having a pair of biomedical entities and applying them into training relation extraction models for maximizing their performance. Three globally representative collections in biomedical domains were used in the experiments which demonstrate its superiority in various biomedical domains. As a result, it is most likely that the intensive experimental study conducted in this paper will provide meaningful foundations for research on bio-text analysis based on machine learning.

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