query-5d480137779820761241d5002df97401

rq turtle/ttl

is on:if this is wikipedia group should do work, but for me it is also too slow in this form – if line for checking GROUPING/HAVINGįmho

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX schema: <http://schema.org/>
SELECT ?item ?articlecat (COUNT(?articleall) AS ?allarticles_count) {
  ?articlecat schema:about ?item;
              schema:isPartOf <https://ca.wikipedia.org/>.
  ?articleall schema:about ?item;
              schema:isPartOf/wikibase:wikiGroup "wikipedia".
}
GROUP BY ?item ?articlecat
HAVING (?allarticles_count = 1)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v5("?allarticles_count") v4("?articleall"):::projected v2("?articlecat"):::projected v3("?item"):::projected a1((" ")) c6(["wikipedia"]):::literal c4([https://ca.wikipedia.org/]):::iri f0[["?allarticles_count = '1^^xsd:integer'"]] f0 --> v5 v2 --"schema:about"--> v3 v2 --"schema:isPartOf"--> c4 v4 --"schema:about"--> v3 v4 --"schema:isPartOf"--> a1 a1 --"wikibase:wikiGroup"--> c6 bind2[/"count(?articleall)"/] v4 --o bind2 bind2 --as--o v5