query-742b28a5ce433df93106382d534027e7

Papers with upper-case titles(By year, to prevent time-outs) TODO

Use at

https://query.wikidata.org/sparql

PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?item ?title
WHERE
{
  ?item wdt:P31 wd:Q13442814 . # Scientific article
  ?item wdt:P1476 ?title .
  FILTER (?title = UCASE(?title) &&  # Title doesn't change if converted to uppercase
          ?title != LCASE(?title))   # Title does change if converted to lowercase (to sort out scripts which don't distinguish like e.g. Chinese)

  ?item wdt:P577 ?publication_date. 
  FILTER (?publication_date >= "2019-00-00"^^xsd:date && # Published in 2019
          ?publication_date < "2020-00-00"^^xsd:dat)
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?item"):::projected v1("?publication_date") v2("?title"):::projected c4(["wd:Q13442814"]):::iri f0[["?publication_date >= '2019-00-00^^xsd:date'?publication_date < s2020-00-00^^<http://www.w3.org/2001/XMLSchema#dat>'"]] f0 --> v1 f1[["?title = upper-case(?title)?title != lower-case(?title)"]] f1 --> v2 v3 --"wdt:P31"--> c4 v3 --"wdt:P1476"--> v2 v3 --"wdt:P577"--> v1