メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.794700614246 35.9627284467178, 139.794351026766 35.9629817275309, 139.794434552635 35.9623437849697, 139.794703479663 35.9601405567152, 139.794839249851 35.958999861823, 139.794956694779 35.9581021027054, 139.795001658151 35.9576597570275, 139.795036750878 35.9572440431781, 139.795737869805 35.9580849522205, 139.796259875035 35.9587766813067, 139.797128302728 35.9599446964428, 139.797701494305 35.9605482092494, 139.797610712636 35.9606150937632, 139.797493770537 35.9607012524037, 139.795700934049 35.9619995363188, 139.795362165012 35.9622433701241, 139.794700614246 35.9627284467178)) ^^http://www.opengis.net/ont/geosparql#wktLiteral