メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.484866755271 40.6153480793008, 140.486094647852 40.6169643410669, 140.485408627671 40.6173399579941, 140.484251221564 40.6174464969375, 140.483623111173 40.6174977896072, 140.482635533726 40.6175875325142, 140.482554987406 40.6170432730359, 140.482489035148 40.6165816584565, 140.482344406368 40.6155635468105, 140.48199070089 40.615597862467, 140.481898159872 40.6150136727387, 140.482257920023 40.61499520476, 140.482959822854 40.6149587074089, 140.48322202409 40.6149110947077, 140.483420815344 40.6148452073903, 140.484206111608 40.6144911451524, 140.484866755271 40.6153480793008)) ^^http://www.opengis.net/ont/geosparql#wktLiteral