メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.642858787893 35.3508038744985, 136.640150853127 35.3506353281636, 136.639501930937 35.3505970185615, 136.639669872901 35.3487300901949, 136.640337627451 35.3486516510775, 136.641158625549 35.3485343665986, 136.641173223406 35.3484102053425, 136.641709211904 35.3481516132355, 136.641805366735 35.3483551963924, 136.641882145804 35.3485178505635, 136.641998546716 35.3488406742151, 136.642180279457 35.3495357474489, 136.642336099932 35.3499239516721, 136.642448031102 35.3501741503957, 136.642554315839 35.3503671426136, 136.642858787893 35.3508038744985)) ^^http://www.opengis.net/ont/geosparql#wktLiteral