メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.077517548829 35.220994936957, 137.07738964979 35.2213393597574, 137.077276634947 35.2216762572528, 137.076982489769 35.2216088575435, 137.076812704722 35.2215699291398, 137.076123444341 35.2214118818652, 137.075894933872 35.2213595279453, 137.07431771404 35.2209979180736, 137.074427017726 35.2206564428212, 137.074537247753 35.2203096875229, 137.075164577489 35.2204491752088, 137.075078649136 35.2207150326063, 137.07538021735 35.2207809629548, 137.075475458383 35.2205212392412, 137.077517548829 35.220994936957)) ^^http://www.opengis.net/ont/geosparql#wktLiteral