Release 2020-05-08

1. Updated ontology license to CC0

2. Fixed issues reported by the ROBOT tool:

   • Added ontology title
   • Added ontology description
   • Removed duplicated definitions for the terms
   • Updated definitions that start with lowercase

3. Obsolete following terms (issue: #48)
   http://www.geneontology.org/formats/oboInOwl#DbXref
   http://www.geneontology.org/formats/oboInOwl#Definition
   http://www.geneontology.org/formats/oboInOwl#Subset
   http://www.geneontology.org/formats/oboInOwl#Synonym
   http://www.geneontology.org/formats/oboInOwl#SynonymType
   http://purl.obolibrary.org/obo/IAO_0000224 core

4. Clean up annotations and datatypes, pull request #50

Release 2019-08-26

1. Added license information
2. Removed asserted parent (owl:Thing) of BFO_0000031

2019-01-24

Since the 2015-02-23 release, added 21 new classes

• IAO_8000000 ontology module
• IAO_8000001 base ontology module
• IAO_8000002 editors ontology module
• IAO_8000003 main release ontology module
• IAO_8000004 bridge ontology module
• IAO_8000005 import ontology module
• IAO_8000006 subset ontology module
• IAO_8000007 curation subset ontology module
• IAO_8000008 analysis subset ontology module
• IAO_8000009 single layer subset ontology module
• IAO_8000010 exclusion subset ontology module
• IAO_8000011 external import ontology module
• IAO_8000012 species subset ontology module
• IAO_8000013 reasoned ontology module
• IAO_8000014 generated ontology module
• IAO_8000015 template generated ontology module
• IAO_8000016 taxonomic bridge ontology module
• IAO_8000017 ontology module subsetted by expressivity
• IAO_8000018 obo basic subset ontology module
• IAO_8000019 ontology module subsetted by OWL profile
• IAO_8000020 EL++ ontology module

and 4 new annotation properties:

• IAO_0000233 | term tracker item
• IAO_0000234 | ontology term requester
• IAO_0006011 | may be identical to
• IAO_0006012 | scheduled for obsoletion on or after