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- W4245081608 abstract "Background In the era of semantic web, life science ontologies play an important role in tasks such as annotating biological objects, linking relevant data pieces, and verifying data consistency. Understanding ontology structures and overlapping ontologies is essential for tasks such as ontology reuse and development. We present an exploratory study where we examine structure and look for patterns in BioPortal, a comprehensive publicly available repository of live science ontologies. Methods We report an analysis of biomedical ontology mapping data over time. We apply graph theory methods such as Modularity Analysis and Betweenness Centrality to analyse data gathered at five different time points. We identify communities, i.e., sets of overlapping ontologies, and define similar and closest communities. We demonstrate evolution of identified communities over time and identify core ontologies of the closest communities. We use BioPortal project and category data to measure community coherence. We also validate identified communities with their mutual mentions in scientific literature. Results With comparing mapping data gathered at five different time points, we identified similar and closest communities of overlapping ontologies, and demonstrated evolution of communities over time. Results showed that anatomy and health ontologies tend to form more isolated communities compared to other categories. We also showed that communities contain all or the majority of ontologies being used in narrower projects. In addition, we identified major changes in mapping data after migration to BioPortal Version 4." @default.
- W4245081608 created "2022-05-12" @default.
- W4245081608 creator A5063923711 @default.
- W4245081608 creator A5089727775 @default.
- W4245081608 date "2017-01-11" @default.
- W4245081608 modified "2023-09-27" @default.
- W4245081608 title "Exploring biomedical ontology mappings with graph theory methods" @default.
- W4245081608 doi "https://doi.org/10.7287/peerj.preprints.2715v1" @default.
- W4245081608 hasPublicationYear "2017" @default.
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