メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.232654995617 34.8363470652083, 137.232656710817 34.8363508669364, 137.232928811519 34.836955450139, 137.233161555221 34.8374737042397, 137.233230193986 34.8378568187901, 137.233244202551 34.8382850402942, 137.231645432384 34.838590178205, 137.231261813012 34.8373620475562, 137.231042627216 34.8366860169388, 137.230741280675 34.835807185736, 137.230508542777 34.835277661101, 137.230404467732 34.8350518410378, 137.232479727769 34.8347372177791, 137.232476078835 34.8347920168649, 137.232476242378 34.8349948620275, 137.232517495274 34.8353103763131, 137.232558766764 34.8356484289762, 137.232586281325 34.8358737974329, 137.232654995617 34.8363470652083)) ^^http://www.opengis.net/ont/geosparql#wktLiteral