メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.67973821852 34.8126940336206, 134.679615582046 34.812732134596, 134.679253756581 34.8128513497287, 134.677989218439 34.8132897881321, 134.677502405506 34.8134589355968, 134.6764566252 34.8138194053937, 134.676155663372 34.8132344238967, 134.675888762612 34.8127328752941, 134.675841368397 34.8126656781307, 134.676965840709 34.8122831584344, 134.677428842979 34.8121394348262, 134.678065538672 34.8119212644131, 134.678691154549 34.8117288998879, 134.679178886046 34.8115581951158, 134.679319285214 34.8118428929262, 134.67973821852 34.8126940336206)) ^^http://www.opengis.net/ont/geosparql#wktLiteral