: 3http://astraiosdb.utwente.nl/data/continuing_education_course/ Create a prefix for http://astraiosdb.utwente.nl/data/continuing_education_course/ Hit Enter to save Double click to create a prefix | : providerhttp://schema.org/ Create a prefix for http://schema.org/ Hit Enter to save Double click to create a prefix | : 150http://astraiosdb.utwente.nl/data/institution/ Create a prefix for http://astraiosdb.utwente.nl/data/institution/ Hit Enter to save Double click to create a prefix |