sparql-examples

A set of SPARQL examples

View the Project on GitHub Adafede/sparql-examples

wd_isotopes

rq turtle/ttl

Elements and their isotopes

Use at


PREFIX wdt: <http://www.wikidata.org/prop/direct/>
#title: Elements and their isotopes.
SELECT DISTINCT ?element ?element_symbol ?isotope ?isotope_mass ?isotope_abundance WHERE {
  ?isotope wdt:P2374 ?isotope_abundance;
    wdt:P2067 ?isotope_mass;
    wdt:P279 ?element.
  ?element wdt:P246 ?element_symbol.
}
ORDER BY (?isotope_mass)

graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v4("?element"):::projected 
  v5("?element_symbol"):::projected 
  v2("?isotope"):::projected 
  v3("?isotope_abundance"):::projected 
  v1("?isotope_mass"):::projected 
  v2 --"wdt:P2374"-->  v3
  v2 --"wdt:P2067"-->  v1
  v2 --"wdt:P279"-->  v4
  v4 --"wdt:P246"-->  v5