メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.919328072877 37.8262166976529, 140.925453341539 37.8264176406801, 140.925426167852 37.8273553563758, 140.925431584282 37.8275241032835, 140.925402519626 37.8283154219426, 140.918784780674 37.8280869093441, 140.918851657641 37.8277271604876, 140.918885831371 37.8275943701644, 140.918955125223 37.8273997363473, 140.918897651633 37.8274260284111, 140.918851332998 37.8274264546034, 140.918801851205 37.8274108612621, 140.91878624351 37.8273328701104, 140.918764196006 37.82720904485, 140.918747715866 37.8270715128012, 140.918747683785 37.8268694925841, 140.918756730788 37.8266996266246, 140.918764388121 37.8264712084123, 140.91881951368 37.8259213719777, 140.919328072877 37.8262166976529)) ^^http://www.opengis.net/ont/geosparql#wktLiteral