メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.109901587456 35.0811796093267, 137.108509599746 35.081525297544, 137.107568652728 35.080435024527, 137.107220169553 35.0800494913161, 137.106639921746 35.0794886264225, 137.108574083665 35.0781018407141, 137.109115615672 35.0777147578225, 137.10926737813 35.0776700402349, 137.109482188761 35.0783188950094, 137.10963591964 35.0787295451561, 137.109707332943 35.078867893475, 137.109790837246 35.0790289250693, 137.109869922224 35.0792242514739, 137.109903044765 35.0793284961159, 137.109958038474 35.0795410634736, 137.109974022582 35.0798384056585, 137.109950676421 35.0801065024333, 137.109888830691 35.0807665630589, 137.109891330225 35.0810359378827, 137.109901587456 35.0811796093267)) ^^http://www.opengis.net/ont/geosparql#wktLiteral