メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.88203282832 38.9437179772125, 139.880935697879 38.9436038907571, 139.880316914768 38.9435379662942, 139.880192741231 38.9441296109581, 139.880122402114 38.9444695284632, 139.878994652443 38.9443599593217, 139.877556758224 38.9442132169006, 139.876595763234 38.9441085787047, 139.875090729048 38.9439492204532, 139.874496175537 38.9438977503836, 139.874580206134 38.9433392118931, 139.874645294054 38.9429359129359, 139.874700827035 38.9425795497793, 139.877495059778 38.9425923860188, 139.877990159627 38.9423380768265, 139.878627838938 38.9424052943639, 139.88020700678 38.9425721795596, 139.882164499516 38.9427730219702, 139.88203282832 38.9437179772125)) ^^http://www.opengis.net/ont/geosparql#wktLiteral