メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.690668548421 34.908029127194, 135.69055286038 34.9080801741535, 135.690437798412 34.9081238276928, 135.690179012931 34.9081941582169, 135.690031198882 34.9082173737695, 135.6899163011 34.908217079647, 135.689715369152 34.9081794489045, 135.689461206494 34.9081111857555, 135.689243924842 34.9080565390432, 135.689218846858 34.9081781757964, 135.689110129779 34.9081711355967, 135.688788171158 34.9081263610751, 135.688751392338 34.9079492788562, 135.688735912739 34.9077689410903, 135.688717116685 34.9072944836842, 135.688744858441 34.9069532562852, 135.688813494389 34.9062744979993, 135.690668548421 34.908029127194)) ^^http://www.opengis.net/ont/geosparql#wktLiteral