メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.762655387162 35.4065646152183, 136.763050743569 35.4065996565427, 136.762961079491 35.4075234174101, 136.762528120426 35.4074731095489, 136.762097486976 35.407482454101, 136.762088766145 35.4072994022742, 136.762290480809 35.4072971850213, 136.762289066583 35.4072268301809, 136.762232972875 35.4072208696818, 136.762236781102 35.406983213182, 136.762334970393 35.4069907222858, 136.762350273113 35.4065607147752, 136.762662546052 35.4065430896246, 136.762655387162 35.4065646152183)) ^^http://www.opengis.net/ont/geosparql#wktLiteral