メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.597899559603 42.7843274026511, 141.597934030573 42.7846274989084, 141.597927849912 42.7847295876152, 141.597963749475 42.784893527355, 141.597959968753 42.7849262807503, 141.597955556279 42.7849508723706, 141.597955436665 42.7849622654053, 141.597965415981 42.7849849692645, 141.597968591313 42.7850463177095, 141.597951871891 42.7850472073195, 141.598013226424 42.7855605658307, 141.598042458953 42.7857094160595, 141.598054603913 42.785853105024, 141.598088217229 42.7859893210304, 141.595611048313 42.7861439782126, 141.595552384023 42.7857034985158, 141.595517344662 42.7854267484362, 141.595305088976 42.7835510202019, 141.595271260033 42.7832277171314, 141.597373378329 42.783088652505, 141.597735773248 42.7830666647053, 141.597759226654 42.7830653921829, 141.597799865735 42.7833916871135, 141.597852527715 42.7839187819994, 141.597899559603 42.7843274026511)) ^^http://www.opengis.net/ont/geosparql#wktLiteral