SPARQL SCHMARQL
P
O
http://iconclass.org/49L52%28%2B541%29
pencil (+ subject of experiment ~ scientific research)
TTL
NT
S
P
O
skos:broader
S
P
O
http://iconclass.org/49L52%28%2B54%29
S
P
O
skos:prefLabel
S
P
O
pencil (+ subject of experiment ~ scientific research)