メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.964058829857 34.9305532262539, 136.963238025607 34.9305207954372, 136.962172476967 34.9249706092567, 136.962178810384 34.924856457439, 136.962150965785 34.9247402757, 136.962134670316 34.9246820744616, 136.962171081378 34.9246800235683, 136.962398638443 34.9246647710153, 136.962818030775 34.924634134413, 136.964121079683 34.9245598278953, 136.966221734346 34.9243706908969, 136.967381992213 34.9242801260471, 136.964065827925 34.9304195681049, 136.964058829857 34.9305532262539)) ^^http://www.opengis.net/ont/geosparql#wktLiteral