Predicting missing annotations in Gene Ontology with Knowledge Graph Embeddings and True Path Rule

Özge Erten*, Shervin Mehryar, Remzi Çelebi, Christopher Brewster

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingAcademicpeer-review

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Abstract

Gene Ontology (GO) and its Annotations (GOA) provide a controlled and evolving vocabulary for gene products and gene functions widely used in molecular biology. GO & GOA are updated and maintained both automatically from biological publications and manually by curators. These knowledge bases however are often incomplete for two reasons: 1) Research in biological domain itself is still ongoing; 2) The amount of experimental evidence might not be yet sufficient to validate annotations. In this paper, we address the gap in evidence between gene products and their annotations by making link predictions using Knowledge Graph Embedding (KGE) methods. Through the application of the True Path Rule (TPR) in the training stage of KGE, we were able to improve the performance of traditional KGE methods. We report two experimental scenarios with GO and GO Chicken Annotation datasets to show the contribution of embedding TPR to prediction accuracy.
Original languageEnglish
Title of host publicationSemantic Web Applications and Tools for Health Care and Life Sciences 2023
Pages82-86
Number of pages5
Volume3415
Publication statusPublished - 1 Jan 2023
Event14th International Conference on Semantic Web Applications and Tools for Health Care and Life Sciences - Basel, Switzerland
Duration: 13 Feb 202316 Feb 2023
Conference number: 14

Publication series

SeriesCEUR Workshop Proceedings
ISSN1613-0073

Conference

Conference14th International Conference on Semantic Web Applications and Tools for Health Care and Life Sciences
Abbreviated titleSWAT4HCLS 2023
Country/TerritorySwitzerland
CityBasel
Period13/02/2316/02/23

Keywords

  • Knowledge graph embeddings
  • Link prediction
  • Predicting Gene Ontology Annotations
  • True path rule

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