メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.224605880089 34.7171998670616, 135.225333195011 34.7173207454532, 135.225029137522 34.7179810512837, 135.224360432396 34.717726774424, 135.223554764741 34.7174261680454, 135.223669581502 34.717188690431, 135.223712353886 34.7171049909, 135.223928653609 34.7166594309096, 135.224284991305 34.7168010593126, 135.224709801163 34.7169647220819, 135.224605880089 34.7171998670616)) ^^http://www.opengis.net/ont/geosparql#wktLiteral