メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.414744289606 40.6951681250008, 141.414519921528 40.6955863565262, 141.414409867994 40.6958092529136, 141.414366502594 40.6958613281659, 141.414317175439 40.6959294049474, 141.412871743543 40.6953825381211, 141.411364685708 40.694804246343, 141.409478777018 40.694061870848, 141.409104712468 40.6939082948514, 141.408857426575 40.6937717406625, 141.408645735967 40.6936700253939, 141.40843212878 40.6935721200635, 141.408206297539 40.6935028777398, 141.407989937759 40.6934519211545, 141.40744509206 40.6933694425558, 141.406391764283 40.6932319324342, 141.406085579955 40.6932034430658, 141.405822498019 40.6932005365695, 141.405524958653 40.6931986434846, 141.405403478455 40.6931936101847, 141.405316778694 40.6931553132633, 141.405221779481 40.693070426449, 141.405125891948 40.6929707304368, 141.405195265478 40.6929199510524, 141.405208911118 40.6928550380098, 141.405206042122 40.6927965113018, 141.405179258965 40.6927083824489, 141.40515593915 40.6926126549148, 141.405144169209 40.6924936338352, 141.405138812707 40.69240597149, 141.405161627778 40.6922610352141, 141.408053321077 40.6927590745732, 141.408735007695 40.6929927932982, 141.409682254028 40.6933617197627, 141.411345043099 40.6940467362763, 141.411648056251 40.6941529976932, 141.412281590966 40.6942648298641, 141.412835311214 40.6944308883926, 141.414388904699 40.6950409630541, 141.414744289606 40.6951681250008)) ^^http://www.opengis.net/ont/geosparql#wktLiteral