メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.751492670007 35.4061690775552, 136.750832199988 35.4062680093667, 136.750640729195 35.4055994803893, 136.750502994656 35.4048431806448, 136.750814741601 35.4047751673205, 136.751037953292 35.4047298774135, 136.750916781502 35.4048610788433, 136.751077264907 35.4054924596069, 136.751220025413 35.4060579356029, 136.751459274548 35.4060225581489, 136.751442467612 35.4059707420578, 136.752623918624 35.4057502101202, 136.752656205693 35.4059205976163, 136.752663853199 35.4059979455268, 136.752230145742 35.4060647726985, 136.751955399806 35.4061036907919, 136.751492670007 35.4061690775552)) ^^http://www.opengis.net/ont/geosparql#wktLiteral