メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.353454393368 43.0120423184966, 144.353520963419 43.0121900478346, 144.353634435833 43.0124595655232, 144.353844950465 43.0130112796821, 144.354001653164 43.0134352147161, 144.354213956162 43.0140334525024, 144.354393971127 43.0145616757546, 144.353669198861 43.0146999834161, 144.35302495735 43.0148391962721, 144.352274690609 43.0149888650562, 144.351432958507 43.0151655968649, 144.350730404994 43.0153038290803, 144.349878357609 43.0154817945577, 144.348965514334 43.0156589700322, 144.348794122203 43.0151574467753, 144.348564364724 43.0145462287714, 144.348360027491 43.0140170382385, 144.348175168372 43.0134969131978, 144.347962077759 43.0129019158987, 144.348038853006 43.012888199831, 144.349725788967 43.0125480751767, 144.351257640878 43.0122412978458, 144.352356281735 43.0120288273229, 144.353349036522 43.0118083080084, 144.353454393368 43.0120423184966)) ^^http://www.opengis.net/ont/geosparql#wktLiteral