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. 2021 Nov 19;50(D1):D1515–D1521. doi: 10.1093/nar/gkab1025

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© The Author(s) 2021. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Tree view of ECO. This tree shows all of the top level children of ‘evidence’ as well as a sample of more granular terms under ‘similarity evidence’ including assertion-type leaf nodes. Tree made using the BioPortal tool (7).