query-6f1b3b95ed3192422fa4524bc808958b
Blank node deprecation in WDQS & Wikibase RDF modelHi, This message is relevant for people writing SPARQL queries and using the Wikidata Query Service: . SomeValue when it was used to filter isBlank() that can be used in place of wikibase:isSomeValue(). To ease the deprecation process we are introducing the new function deprecate their usage in the wikibase RDF model and we plan to problematic are blank nodes we identified that WDQS updaterAs part of the work of redesigning the (unknown values in the UI), please let us know as soon as possible. SomeValue function for other purposes than identifying isBlank() function. More importantly, if you used the isBlank() function when used as a replacement of the wikibase:isSomeValue() nothing will change for now, we are only interested to know if you encounter any issues with the What does this mean for you:The current plan is as follow: Step 1: Introduce a new wikibase:isSomeValue() function in the Query Service. Here’s an example query (Humans whose gender we know we don't know): wikibase:isSomeValue()We are at this step. You can already use
Use at
- https://query.wikidata.org/sparql
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?human WHERE {
?human wdt:P21 ?gender
FILTER wikibase:isSomeValue(?gender)
}