108_Select_all_reactions_with_no_links_to_EC_numbers

rq turtle/ttl

Select all reactions with no links to EC numbers

Use at

• https://sparql.rhea-db.org/sparql

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX rh:<http://rdf.rhea-db.org/>
SELECT ?reaction WHERE {
  ?reaction rdfs:subClassOf rh:Reaction .
  FILTER (NOT EXISTS {?reaction rh:ec ?ecNumber .})
}
ORDER BY ?reaction

graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v2("?ecNumber")
  v1("?reaction"):::projected 
  c3(["rh:Reaction"]):::iri 
  f0[["not  "]]
  subgraph f0e0["Exists Clause"]
    e0v1 --"rh:ec"-->  e0v2
    e0v2("?ecNumber"):::projected 
    e0v1("?reaction"):::projected 
  end
  f0--EXISTS--> f0e0
  f0 --> v1
  f0 --> c1
  f0 --> v2
  v1 --"rh:ec"-->  v2
  v1 --"rdfs:subClassOf"-->  c3