query-0bae8edc2b5e63832562ab0de4b1f0c0

rq turtle/ttl

vsafe-vaccine-journalsdata refresh rate: 3600 preferred output format: Table query title: Vaccine safety: journals about vaccines

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
select distinct ?item ?article where {
  ?item wdt:P31 wd:Q5633421;
    rdfs:label ?itemLabel.
  filter(contains(?itemLabel, "Vaccine"))
  OPTIONAL {
    ?article schema:about ?item;
             schema:isPartOf <https://en.wikipedia.org/>.
  }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?article"):::projected v2("?item"):::projected v1("?itemLabel") c7([https://en.wikipedia.org/]):::iri c3(["wd:Q5633421"]):::iri f0[["contains(?itemLabel,'Vaccine')"]] f0 --> v1 v2 --"wdt:P31"--> c3 v2 --"rdfs:label"--> v1 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v3 -."schema:about".-> v2 v3 --"schema:isPartOf"--> c7 end