メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.265028759994 31.7210292398664, 130.264897394233 31.721526231304, 130.264690231882 31.7224351326718, 130.26283123379 31.7225185425811, 130.262661883697 31.7225307166426, 130.262553751852 31.7221028460668, 130.262537958391 31.7220337884514, 130.262536812095 31.7220278408689, 130.262493855726 31.7218048657639, 130.262377463673 31.7210465788463, 130.262358694233 31.720885024573, 130.262323057932 31.7204991749148, 130.262305598601 31.7203949741789, 130.262283072218 31.7203082585582, 130.262244785618 31.7202117615593, 130.262020870155 31.7198585455303, 130.262421025747 31.7198403614334, 130.262986425165 31.7198146607563, 130.264163496874 31.7198235694704, 130.264338561518 31.719815981861, 130.264552610038 31.719924178146, 130.264771992412 31.7199937909055, 130.264924301827 31.7200180615801, 130.264891565311 31.7203639853675, 130.265216285364 31.7203830491784, 130.265167373698 31.7205642793436, 130.265028759994 31.7210292398664)) ^^http://www.opengis.net/ont/geosparql#wktLiteral