query-cb02521c2698b8ef72aadb8af47bd519

rq turtle/ttl

ASTM standards 10:09, 10 September 2019 (UTC)) talk (Meisam for these items starts with one of the (10.1520/A, 10.1520/B, … 10.1520/G). I tried the following query but I’m getting the timeout error. Can anyone please optimize my query? Many thanks! -- (P356)DOI . The (Q13442814)scholarly article I’m trying to get a list of the ASTM standards which have been wrongly tagged as the

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?item ?doi WHERE {
  ?item wdt:P31 wd:Q13442814;
    wdt:P356 ?doi.
  FILTER(CONTAINS(?doi, "10.1520/A"))
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?doi"):::projected v2("?item"):::projected c3(["wd:Q13442814"]):::iri f0[["contains(?doi,'10.1520/A')"]] f0 --> v1 v2 --"wdt:P31"--> c3 v2 --"wdt:P356"--> v1