メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.581857602588 38.9101504191451, 141.581457829013 38.9103001428126, 141.58125293765 38.9103768802954, 141.581079634141 38.9104417866451, 141.580942928277 38.9103633109917, 141.580764181448 38.9102607012671, 141.580423481547 38.9100651233645, 141.580360212412 38.9100288033524, 141.580385010847 38.909582397399, 141.580334353879 38.9092602138298, 141.579798711023 38.907879924085, 141.579707546027 38.9076525912011, 141.579597907035 38.9075325776614, 141.579491245112 38.907476505012, 141.579363823059 38.9074400127677, 141.579410265216 38.9073751980529, 141.57944322077 38.9072493607511, 141.579479508469 38.9071279361518, 141.581260153764 38.9065138722918, 141.581730005298 38.9073378166437, 141.580492662217 38.9077565561448, 141.581836442109 38.9101126919162, 141.581848926379 38.9101349908924, 141.581857602588 38.9101504191451)) ^^http://www.opengis.net/ont/geosparql#wktLiteral