ericP added a comment.
I don't believe it's the same. T244341: Stop using blank nodes for encoding SomeValue and OWL constraints in WDQS <https://phabricator.wikimedia.org/T244341> is about the use of blank nodes in the representation of some OWL expressions. The OWL spec is very clear about saying that they have to be blank nodes so the decision was made by the OWL Working Group 15 years ago. This issue is about the use of blank nodes to represent unknown values. The example above can be see in https://www.wikidata.org/wiki/Q313093#Q313093$761f04ee-4d7f-d725-522a-85a3077bb47b which says that Herman Boerhaave's second doctoral advisor is an unknown value but a reader of the Turtle page has no way of knowing that. Creating an entity for Wikidata-unknown-value would unify coding and make life better for queriers. TASK DETAIL https://phabricator.wikimedia.org/T267782 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: ericP Cc: Lucas_Werkmeister_WMDE, Aklapper, Jelabra, ericP, Andrawaag, Akuckartz, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, Wikidata-bugs, aude, Mbch331
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