Evidence codes can be used to specify the type of supporting evidence for a piece of knowledge. This allows inference of a 'level of support' between an entity and an annotation made to an entity.
ecoECO
                            Local identifiers in Evidence ontology should match this
                            regular expression:
^\d{7}$
                        
                            Compact URIs (CURIEs) constructed from Evidence ontology should match
                            this regular expression:
^eco:\d{7}$
                        
namespaceEmbeddedInLUI as true. The actual
                        part that gets prefixed before the local unique identifier regex,
                        otherwise known as the banana, is
                        ECO:.
                        Therefore, you might see local unique identifiers written out as CURIEs.
                    
                    The metaregistry provides mappings between the Bioregistry and other registries. There are
                    13 mappings to external registries for eco with
                    4 unique external prefixes.
                
| Registry Name | Registry Metaprefix | External Prefix | Curate | 
|---|---|---|---|
| AberOWL | aberowl | ECO | |
| Basic Register of Thesauri, Ontologies & Classifications | bartoc | 1028 | |
| BioContext | biocontext | ECO | |
| BioPortal Prefixes | bioportal | ECO | |
| FAIRSharing | fairsharing | FAIRsharing.wvpgwn | |
| Gene Ontology Registry | go | ECO | |
| Identifiers.org   | miriam | eco | |
| Name-to-Thing   | n2t | eco | |
| OBO Foundry   | obofoundry | eco | |
| Ontology Lookup Service   | ols | eco | |
| OntoBee | ontobee | ECO | |
| Prefix Commons | prefixcommons | eco | |
| Wikidata Property | wikidata | P3811 | 
                    Providers are various services that resolve CURIEs to URLs. The example CURIE
                    eco:0007807
 is used to demonstrate the provides available for
                    eco. Generation of OLS and BioPortal URLs requires additional programmatic
                    logic beyond string formatting.