メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.573147662887 34.8599059132803, 136.572625834729 34.8600846574168, 136.572592119333 34.8600959434087, 136.571308226736 34.8605271694841, 136.570669446699 34.8607416714246, 136.569944554324 34.860995733387, 136.569229834773 34.8612327002311, 136.569049241628 34.8610281085526, 136.568711354209 34.8606209289014, 136.568592320948 34.8604774610393, 136.568200514749 34.8599884831363, 136.568004036617 34.8598212914895, 136.569040825447 34.8589926339719, 136.569540743625 34.8588876044174, 136.569562543155 34.8588829946912, 136.570668192428 34.8585192508301, 136.570674072804 34.8585171804242, 136.571229802665 34.8583233539111, 136.571808200974 34.8581216709373, 136.572123394813 34.8586066309834, 136.572290004498 34.8588522023667, 136.572498079114 34.8591315951761, 136.572617689994 34.8592839296913, 136.57271135079 34.8594151882669, 136.57286193774 34.8595801944534, 136.573147662887 34.8599059132803)) ^^http://www.opengis.net/ont/geosparql#wktLiteral