メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.923115248361 35.1047947018051, 136.923085707678 35.1048514760756, 136.922767496324 35.1065708483632, 136.92189000396 35.1065876623221, 136.921850937679 35.1063043296809, 136.921733069679 35.1053555231089, 136.921686426296 35.1052486633838, 136.921581817635 35.1049315343061, 136.921365061173 35.1046758014541, 136.921282972811 35.1046014060033, 136.921544812404 35.1041246593103, 136.922385794045 35.1046195552667, 136.922453082153 35.1046424388844, 136.923115248361 35.1047947018051)) ^^http://www.opengis.net/ont/geosparql#wktLiteral