: hasDurationInDayshttps://www.w3id.org/aservo# Create a prefix for https://www.w3id.org/aservo# Hit Enter to save Double click to create a prefix | rdfs:comment | Days of duration of the volcanic eruption | : AirQualitySO2https://triplydb.com/jsemitiels/Vulganology/graphs/default/ Create a prefix for https://triplydb.com/jsemitiels/Vulganology/graphs/default/ Hit Enter to save Double click to create a prefix |