: O31i_is_time-span_validity_forhttp://www.cidoc-crm.org/extensions/crmsci/ Create a prefix for http://www.cidoc-crm.org/extensions/crmsci/ Hit Enter to save Double click to create a prefix | is time-span validity for @en | : defaulthttps://triplydb.com/cidoc/crmsci-2-0/graphs/ Create a prefix for https://triplydb.com/cidoc/crmsci-2-0/graphs/ Hit Enter to save Double click to create a prefix |