- 2019-01-10 Ontology Interest Group Call
- 2019-01-24 Ontology Interest Group Call
- 2019-02-08 Ontology Interest Group Call
- 2019-03-07 Ontology Interest Group Call
- 2019-03-21 Ontology Interest Group Call
- 2019-04-18 Ontology Interest Group Call
- 2019-05-02 Ontology Interest Group Call
- 2019-05-16 Ontology Interest Group Call
- 2019-06-13 Ontology Interest Group Call
- 2019-07-11 Ontology Interest Group Call
- 2019-07-25 Ontology Interest Group Call
- 2019-08-08 Ontology Interest Group Call
- 2019-09-19 Ontology Interest Group Call
- 2019-10-17 Ontology Interest Group Call
- 2019-11-14 Ontology Interest Group Call
- 2019-12-12 Ontology Interest Group Call