A set of SPARQL examples that are used in different SIB resources
Select all reactions with cross-references
PREFIX rh:<http://rdf.rhea-db.org/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT
DISTINCT ?reaction
WHERE {
?reaction rdfs:subClassOf rh:Reaction .
?reaction rh:directionalReaction ?directionalReaction .
?reaction rh:bidirectionalReaction ?bidirectionalReaction .
OPTIONAL { ?directionalReaction rdfs:seeAlso ?xref . }
OPTIONAL { ?bidirectionalReaction rdfs:seeAlso ?xref . }
FILTER (BOUND(?xref))
}
ORDER BY ?reaction
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v4("?bidirectionalReaction")
v3("?directionalReaction")
v1("?reaction"):::projected
v2("?xref")
c2(["rh:Reaction"]):::iri
f0[["bound(?xref)"]]
f0 --> v2
v1 --"rdfs:subClassOf"--> c2
v1 --"rh:directionalReaction"--> v3
v1 --"rh:bidirectionalReaction"--> v4
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v3 -."rdfs:seeAlso".-> v2
end
subgraph optional1["(optional)"]
style optional1 fill:#bbf,stroke-dasharray: 5 5;
v4 -."rdfs:seeAlso".-> v2
end