メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.909970936371 35.1029338890931, 136.909967136139 35.1029502200453, 136.909881751786 35.1033098476885, 136.909783646806 35.1036871167286, 136.909732389758 35.1038746900117, 136.908827455242 35.10368803373, 136.908615235825 35.1036392674455, 136.908647355973 35.1035418684463, 136.908670254608 35.1034545205258, 136.908778813165 35.1030855123642, 136.908882906065 35.1027317007251, 136.908942965965 35.102517027232, 136.910028894852 35.1027395637323, 136.909970936371 35.1029338890931)) ^^http://www.opengis.net/ont/geosparql#wktLiteral