メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.965064389015 34.9500605906948, 136.964284772827 34.9500630864212, 136.964295651691 34.9498480979614, 136.964294984551 34.9496503444685, 136.964265152635 34.9493989489394, 136.96420558573 34.9490659514842, 136.964797951015 34.9489884231301, 136.965028982058 34.9489817057585, 136.964772083455 34.9495567151263, 136.964769198368 34.9496200830158, 136.964798440008 34.9496684435599, 136.964837526496 34.9496954114979, 136.965237774591 34.9496916445722, 136.965064389015 34.9500605906948)) ^^http://www.opengis.net/ont/geosparql#wktLiteral