SPARQL SCHMARQL
P
O
http://iconclass.org/49L6453%28%2B551%29
slate (writing material) (+ first copy of invention ~ scientific research)
TTL
NT
S
P
O
skos:broader
S
P
O
http://iconclass.org/49L6453%28%2B55%29
S
P
O
skos:prefLabel
S
P
O
slate (writing material) (+ first copy of invention ~ scientific research)