query-41ee8adb7b9055f61373df347baba036

rq turtle/ttl

Additional constraint), were cycles in the graph, or situation where an item is a parent of an ancestor. One way to look for such items is to find child items whose parent taxon has lower rank than the child item. I think the query below expresses that User:Hoo man where you are looking for items with lower taxa than some item. The issue is timeouts and the suspected culprit, proposed by ?item (wdt:P171)* wd:Q756 . this property can no longer be used in queries like this discussionAs stated in

Use at

• https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?item  
{
    ?item  wdt:P171  ?pItem . # parent taxon
    ?item  wdt:P105  ?rank  . # child's rank
    ?pItem wdt:P105  ?pRank . # parent's rank
    ?pRank wdt:P361+ ?rank  . # parent's rank is lower than child's rank
}
limit 10

Query found at

• https://www.wikidata.org/wiki/Property_talk:P171