メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.567466266368 42.8864355599693, 141.567455525494 42.8864555396935, 141.567262536762 42.8868449367904, 141.567244453918 42.8868932869353, 141.567060519092 42.887250456088, 141.567011333827 42.8873308328119, 141.566112346089 42.8870076318468, 141.565764232472 42.886900684496, 141.565690168039 42.8868779467561, 141.565423291729 42.886780979375, 141.565074214515 42.886683590046, 141.564697106072 42.8865742150338, 141.564384237172 42.8864849878989, 141.564112561658 42.8863984682834, 141.563771380556 42.8863010520115, 141.563360703347 42.8861788819812, 141.562956673734 42.8860567503799, 141.562404456446 42.8858950445207, 141.56243947974 42.8858287218559, 141.56252066065 42.8856751132931, 141.56266348826 42.8854046317451, 141.562848641332 42.8851034594038, 141.563096418528 42.8847003303628, 141.563637157164 42.8848526814724, 141.564011869752 42.8849614125924, 141.564423371656 42.8850862587267, 141.564794980348 42.8851949686113, 141.565364702721 42.885364927352, 141.565726984051 42.88548272207, 141.56607412018 42.8855777073301, 141.566809687507 42.8857961242775, 141.567666444384 42.8860618885647, 141.567466266368 42.8864355599693)) ^^http://www.opengis.net/ont/geosparql#wktLiteral