: dateOfConferenceOrEventhttp://d-nb.info/standards/elementset/gnd# Create a prefix for http://d-nb.info/standards/elementset/gnd# Hit Enter to save Double click to create a prefix | owl:equivalentProperty | : P50039http://rdaregistry.info/Elements/a/ Create a prefix for http://rdaregistry.info/Elements/a/ Hit Enter to save Double click to create a prefix | : gnd#http://d-nb.info/standards/elementset/ Create a prefix for http://d-nb.info/standards/elementset/ Hit Enter to save Double click to create a prefix |