メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.243394851671 34.7144578112159, 135.24332810731 34.7145935313201, 135.243167697728 34.7148989779308, 135.243026020134 34.7151704790384, 135.242660059454 34.7158966462523, 135.241534482574 34.7155467169132, 135.241673461359 34.7152774914263, 135.241782838651 34.7150467993537, 135.241924544857 34.7147775531842, 135.242028512022 34.7145514086234, 135.24217793509 34.7142392845348, 135.242236641989 34.7141171471952, 135.243394851671 34.7144578112159)) ^^http://www.opengis.net/ont/geosparql#wktLiteral