メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.810717484411 35.2079682985546, 136.810773722706 35.2082281934413, 136.812258745364 35.2081751616069, 136.812954730354 35.2082028017141, 136.81302119102 35.2096019857169, 136.813023532957 35.2098503815461, 136.812453329726 35.2098825412978, 136.811347172954 35.2099341341961, 136.810537941555 35.209968761942, 136.808151109315 35.2100762045643, 136.807769774101 35.2090186396001, 136.807484866848 35.208228338768, 136.807539746984 35.2081778658253, 136.808565708053 35.2081666709393, 136.80925012319 35.2081681244361, 136.809928223231 35.208186724923, 136.810396193364 35.2079682461503, 136.810402942528 35.2079682476937, 136.810444720359 35.2079682543557, 136.810717484411 35.2079682985546)) ^^http://www.opengis.net/ont/geosparql#wktLiteral