thank you Lucas and Stas, this works for me. so it would be fair to say that p:P39 by-passes the semantics of wdt:P39 with ranking*. for my own understanding why is a wdt property called a direct property**?
* https://www.wikidata.org/wiki/Help:Ranking **https://www.mediawiki.org/wiki/Wikidata_query_service/User_Manual#Basics_-_Understanding_Prefixes On Tue, Oct 3, 2017 at 7:24 PM, Stas Malyshev <[email protected]> wrote: > Hi! > > On 10/3/17 4:02 PM, Marco Neumann wrote: >> why doesn't the following query produce >> http://www.wikidata.org/entity/Q17905 in the result set? > > The query asks for wdt:P39 wd:Q1939555, however current preferred value > for P39 there is Q29576752. When the item has preferred value, only this > value shows up in wdt. If you want all values, use something like: > > https://query.wikidata.org/#SELECT%20%3FMdB%20%3FMdBLabel%20WHERE%20%7B%0ASERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22%5BAUTO_LANGUAGE%5D%2Cen%22.%20%7D%0A%3FMdB%20p%3AP39%20%3FxRefNode.%20%0A%3FxRefNode%20pq%3AP2937%20wd%3AQ30579723%3B%0A%20%20%20ps%3AP39%20wd%3AQ1939555.%0A%7D > > Or change "preferred" status on Q17905:P39. > > -- > Stas Malyshev > [email protected] -- --- Marco Neumann KONA _______________________________________________ Wikidata-tech mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikidata-tech
