メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.747043225656 35.9655906230893, 139.747738168943 35.9656612334519, 139.74747858828 35.9671840503503, 139.747328292178 35.9681640698013, 139.7472338796 35.9687285338769, 139.746886392862 35.9686919240164, 139.7462885068 35.968624608654, 139.745698987704 35.9685560536648, 139.745251268751 35.9685016240835, 139.744687755823 35.9684361653143, 139.744519261758 35.968418095573, 139.744300541341 35.9683975205248, 139.744079985329 35.9683726202283, 139.744254258415 35.9678398925797, 139.744566616767 35.9668547865406, 139.744742047593 35.9663025099271, 139.744853325637 35.9659216195133, 139.744879033458 35.9658142718958, 139.74497758649 35.9653658390875, 139.746694677667 35.9655531514235, 139.746895067384 35.9655740655242, 139.747043225656 35.9655906230893)) ^^http://www.opengis.net/ont/geosparql#wktLiteral