メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.819851033255 34.7265574454295, 135.819849753855 34.7265573028961, 135.819848516429 34.7265574416962, 135.819505245692 34.7265693277957, 135.819384859813 34.7265735157409, 135.818480179788 34.7265644194045, 135.818171740344 34.7265733959418, 135.818097692643 34.7265745525857, 135.81827151921 34.7256032944577, 135.818929788823 34.7256127292586, 135.819267833345 34.7256292904619, 135.819324180845 34.7256320508819, 135.819858263727 34.7256148139865, 135.820322967332 34.725422945037, 135.821407475012 34.7264972018814, 135.821300109717 34.7265614172269, 135.821103370364 34.7265535215342, 135.820848935048 34.7265496251737, 135.820508077896 34.7265648983256, 135.820084920319 34.7265662437976, 135.819851033255 34.7265574454295)) ^^http://www.opengis.net/ont/geosparql#wktLiteral