メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.829430604643 35.728586659041, 140.829249307484 35.7286325059477, 140.828852249901 35.728709307188, 140.82845158687 35.7287531647352, 140.828168999206 35.7287783162364, 140.82771075754 35.7288310794946, 140.82740474753 35.7276670084975, 140.827881851734 35.7276319250573, 140.827950114874 35.7276212207109, 140.828027760073 35.7276154899732, 140.828196838579 35.7276079497365, 140.828384986653 35.7275997216097, 140.82858539805 35.7275913746581, 140.828781626776 35.727573080393, 140.82902305223 35.7275710833289, 140.829322135903 35.7283645263012, 140.829430604643 35.728586659041)) ^^http://www.opengis.net/ont/geosparql#wktLiteral