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ECO is free for all to use without restriction: see CC0 information below.
If you use ECO in your work, please cite ECO. We appreciate the attribution.
Please cite our most recent paper PMID:34986598: Nadendla S, Jackson R, Munro J, Quaglia F, Mészáros B, Olley D, Hobbs ET, Goralski SM, Chibucos M, Mungall CJ, Tosatto SCE, Erill I, Giglio MG. ECO: the Evidence and Conclusion Ontology, an update for 2022. Nucleic Acids Res. 2022 Jan 7;50(D1):D1515-D1521. doi: 10.1093/nar/gkab1025. PMID:34986598; PMCID:PMC8728134.
Follow @ecoontology on Twitter and check out the ECO website evidenceontology.org.
ABOUT ECO
The Evidence & Conclusion Ontology (ECO) describes types of scientific evidence that arise from laboratory experiments, computational methods, literature curation, or other means. Researchers use evidence to support conclusions that arise out of scientific research. Documenting evidence during scientific research is essential, because evidence gives us a sense of why we believe what we think we know. Conclusions are asserted as statements about things that are believed to be true, for example that a protein has a particular function or that a disease is associated with a particular gene variant. A systematic and structured (i.e. ontological) classification of evidence allows us to store, retrieve, share, and compare data associated with that evidence using computers, which are essential to navigating the ever-growing (in size and complexity) corpus of scientific information.
ECO is an ontology comprising two root (upper-level) classes, 'evidence' and 'assertion method', where 'evidence' is defined as "a type of information that is used to support an assertion" and 'assertion method' is defined as "a means by which a statement is made about an entity." Together 'evidence' and 'assertion method' can be combined to describe both the type of supporting evidence for an assertion and the agent who made the assertion, i.e. a human being or a computer.
ECO was originally created around the year 2000 to support Gene Ontology (GO) gene product annotations. GO continues to use ECO, in numerous ways. Today, many projects use ECO to document evidence information in scientific research, including protein & gene resources, model organism databases, software applications, phenotype projects, and more. ECO collaborates with the Ontology for Biomedical Investigations in order to achieve logical alignment between the two ontologies. ECO is committed to the principles established by the Open Biological and Biomedical Ontologies Foundry (OBO Foundry).
DEVELOPMENT INFORMATION
If you want to help grow ECO for your own project please contact us via the GitHub Issue tracker. If you are new to ECO, please take a look at our Guidelines for New Term Requests on the ECO website or on the ECO GitHub wiki... and thanks!
For information about editing & releases, please see the GitHub editors README file.
For further information including history, detailed discussion of evidence, and a complete bibliography, please visit the Evidence & Conclusion Ontology website.
LICENSING INFORMATION
ECO is released into the public domain under CC0 1.0 Universal (CC0 1.0). Anyone is free to copy, modify, or distribute the work, even for commercial purposes, without asking permission. Please see the Public Domain Dedication for an easy-to-read description of CC0 1.0 or the full legal code for more detailed information. To get a sense of why ECO is CC0 as opposed to licensed under CC-BY, please read this thoughtful discussion on the OBO Foundry GitHub site.
PUBLICATIONS ABOUT ECO
Selected publications:
FUNDING ACKNOWLEDGEMENT
This work was previously supported by the National Science Foundation Division of Biological Infrastructure under Award Number 1458400 to Dr. Michelle Giglio, Principal Investigator (PI). (Dr. Marcus Chibucos served as PI of this award initially.) And by National Institutes of Health/National Institute of General Medical Sciences under Grant Number 2R01GM089636 PI Dr. Owen White.