Table for the 7 triples with object "PRESENT_REF" sorted by label

Subject	Predicate
?:nl.vk.d.10a-1.2.6	niod:has_uncertain_dates
?:nl.vk.d.10a-1.8.1	niod:has_uncertain_dates
?:nl.vk.d.10a-2.7.2	niod:has_uncertain_dates
?:nl.vk.d.10b-2.6.4	niod:has_uncertain_dates
?:nl.vk.d.11b-1.2.6	niod:has_uncertain_dates
?:nl.vk.d.14-1.14.9	niod:has_uncertain_dates
?:nl.vk.d.14-1.16.3	niod:has_uncertain_dates