メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.315132774469 43.0551642502554, 141.315963361398 43.0552812379803, 141.315807652141 43.0558719975285, 141.315789462898 43.0559582126523, 141.315641099293 43.0565702705468, 141.315330613043 43.0565409399769, 141.315352123631 43.0564254942893, 141.315064174263 43.0563962759701, 141.315047359638 43.0564993118431, 141.314748129405 43.0564676798061, 141.314729063559 43.0565168240604, 141.314066523617 43.0564419221126, 141.314099194697 43.0563054697045, 141.31345372632 43.0562244437887, 141.313531886548 43.0556074546135, 141.314144634073 43.0550462480297, 141.314388590142 43.055073280583, 141.315084541401 43.055157455675, 141.315132774469 43.0551642502554)) ^^http://www.opengis.net/ont/geosparql#wktLiteral