メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.944356646337 35.144130836924, 136.944349295486 35.1444075196423, 136.944367209891 35.1446624182485, 136.94438474603 35.14493062577, 136.944411133045 35.1453820935631, 136.94387599171 35.1454376254516, 136.943806372128 35.1454448495079, 136.943086510592 35.1455055588326, 136.943095804683 35.1450525356116, 136.943091301981 35.1447063922274, 136.943093052873 35.1443313157022, 136.943119471934 35.1440593861357, 136.943129163484 35.1439010904358, 136.944368792114 35.1439836731654, 136.944356646337 35.144130836924)) ^^http://www.opengis.net/ont/geosparql#wktLiteral