メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.29138345005 35.439034241387, 140.29026045597 35.4396656695742, 140.289908569882 35.4392534824525, 140.289539629619 35.4387910817924, 140.289022287387 35.4381181677051, 140.288628886037 35.4376111068041, 140.288067126133 35.4370079287489, 140.287340428548 35.4361110657414, 140.287989142117 35.4357272086197, 140.288426160599 35.4354844520151, 140.29138345005 35.439034241387)) ^^http://www.opengis.net/ont/geosparql#wktLiteral