メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.095700845886 34.982364985898, 137.095071148223 34.9819219015159, 137.09439978223 34.9817426734063, 137.093576076764 34.9815925032165, 137.092654602801 34.9814707167884, 137.091809241907 34.9813300274626, 137.090896538324 34.9811181583722, 137.090203174526 34.9809301601736, 137.08888238547 34.98061462203, 137.089298163379 34.978826079147, 137.089533359604 34.9776767462746, 137.092480871691 34.9780642445797, 137.094215413536 34.9783084490995, 137.095006408556 34.9784400739063, 137.095668323723 34.9785668954274, 137.096004662695 34.978631470981, 137.096650934608 34.9787678554974, 137.097275536901 34.9789927505158, 137.097530090795 34.979104388904, 137.09790363094 34.9793715284642, 137.098335065252 34.9797130009486, 137.098477721396 34.9798692202627, 137.0985617195 34.9799948398585, 137.0987593849 34.9801389778854, 137.098862002071 34.9802201694623, 137.098948107784 34.9804094550727, 137.099103772741 34.9809433761153, 137.098042318758 34.9813874128319, 137.096897765854 34.981870758718, 137.095700845886 34.982364985898)) ^^http://www.opengis.net/ont/geosparql#wktLiteral