メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.577257566628 36.0987428507843, 139.576905293146 36.098950581647, 139.575372548799 36.0999122947566, 139.574510555752 36.1003975622702, 139.573792187109 36.0988188646968, 139.573381273919 36.0988874813514, 139.572527960848 36.0990274522612, 139.57196966383 36.0992716086401, 139.571577656196 36.098690109016, 139.570952428097 36.0977191942673, 139.570427684227 36.0973308586849, 139.571681712158 36.0970286476607, 139.571036905962 36.0954217362993, 139.570621800175 36.0943694682898, 139.57070749464 36.0943168983562, 139.571137014666 36.0940772200058, 139.571543755525 36.093831936756, 139.571901395547 36.0936115324228, 139.572606356517 36.0931753273983, 139.57309764439 36.0928747018346, 139.57336167624 36.0926855559421, 139.573667615665 36.0925733104372, 139.573978194187 36.0924425655112, 139.574871843909 36.0921868776603, 139.578182072331 36.095265422181, 139.579893700784 36.0971597213349, 139.579283479244 36.0975027596654, 139.578485428606 36.0979984717165, 139.577341128853 36.0986926563343, 139.577257566628 36.0987428507843)) ^^http://www.opengis.net/ont/geosparql#wktLiteral