メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.470565807086 34.676902884886, 136.469851065816 34.6771604667987, 136.469716800653 34.6771383074767, 136.469466243266 34.6772132279926, 136.469025563682 34.6769902619582, 136.469016336612 34.6769708740228, 136.468758433198 34.6764289870304, 136.47082996472 34.6756569538578, 136.471199270331 34.6763450234907, 136.471362361234 34.6766183599026, 136.470565807086 34.676902884886)) ^^http://www.opengis.net/ont/geosparql#wktLiteral