メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.392605101529 35.9253967234496, 139.392831289522 35.9256015235711, 139.394680329616 35.9274183042001, 139.39460056792 35.9275675782643, 139.394400725552 35.9279816775934, 139.394154950628 35.9283721817347, 139.393853606065 35.9288481361035, 139.39185001726 35.9265929460249, 139.391386629072 35.9261072515674, 139.389702830478 35.9243423112238, 139.388831610888 35.9233277675448, 139.390148615909 35.9228419459375, 139.390228003457 35.9230325420346, 139.391570321111 35.9244597419647, 139.392605101529 35.9253967234496)) ^^http://www.opengis.net/ont/geosparql#wktLiteral