[ontolog-invitation] Summer Institute 2015 Call for Participation: Spatial Ontologies for e-Science From:, Michael Gruninger, 2015/04/10

[ontolog-invitation] Ontology Summit 2015 Symposium, Michael Gruninger, 2015/04/09

[ontolog-invitation] Registration for Ontology Summit 2015 Symposium, Michael Gruninger, 2015/04/02