メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.402734058343 34.7978260319131, 135.402611509844 34.7991112390138, 135.402229569093 34.7991264295657, 135.402192173499 34.7995029700017, 135.40217477487 34.7999868006697, 135.402150584417 34.8003415335696, 135.402086354161 34.8005244984035, 135.40171413578 34.8004862203005, 135.400893497902 34.8003600458005, 135.40130251476 34.7996043139454, 135.401325881297 34.7995560781169, 135.401649851745 34.7986613688438, 135.401680144096 34.7985808176285, 135.401899899742 34.7981314064832, 135.401986599526 34.7979500731453, 135.402734058343 34.7978260319131)) ^^http://www.opengis.net/ont/geosparql#wktLiteral