メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.784508368207 38.784603590322, 139.781518946063 38.7856326979739, 139.781234749778 38.7853605861473, 139.780067507562 38.7857888179025, 139.780017009198 38.7859575555258, 139.779670632548 38.7860985703572, 139.779510505688 38.7860971265698, 139.779367856295 38.7860018131923, 139.77917544755 38.7860187985285, 139.778991407022 38.7860109449309, 139.778840759163 38.7859092248264, 139.778691310485 38.7857261562172, 139.778578916404 38.7857501974444, 139.778384661527 38.7858925812799, 139.777902620765 38.7860011172165, 139.777661399862 38.7855289441407, 139.777825956728 38.7852296287828, 139.777987003004 38.7851684456523, 139.778175933298 38.784844153779, 139.778060610033 38.7847558419559, 139.778362911722 38.7843652901271, 139.778649255947 38.7842400653968, 139.77931946232 38.7833199173329, 139.780444129684 38.7838038502136, 139.780371337044 38.7842294127426, 139.782844291476 38.7833682631665, 139.784952225047 38.7822240991143, 139.785891229124 38.7817492930359, 139.786356574771 38.7822082565182, 139.787218465234 38.7828698022281, 139.787896296392 38.7833227797025, 139.787239272726 38.7838156093416, 139.786638840422 38.7840101105565, 139.784508368207 38.784603590322)) ^^http://www.opengis.net/ont/geosparql#wktLiteral