SPARQL SCHMARQL
P
O
http://iconclass.org/49L10%28%2B57%29
invention of letters (+ operational phase, installation ~ scientific research)
TTL
NT
S
P
O
skos:broader
S
P
O
http://iconclass.org/49L10%28%2B5%29
S
P
O
skos:prefLabel
S
P
O
invention of letters (+ operational phase, installation ~ scientific research)