メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.514945171113 36.1486300242329, 140.51523291716 36.1487792072445, 140.515784863586 36.1490653775473, 140.515945940982 36.1491488673889, 140.516261858519 36.1493176735645, 140.517842952901 36.1501623724248, 140.518085919324 36.1502725519695, 140.517807352364 36.1504108786303, 140.517721944846 36.1504533122262, 140.517486491894 36.1504382328322, 140.516666140165 36.1503726925417, 140.515675766918 36.1502935748305, 140.515180297399 36.1502539865274, 140.514168857987 36.1501731445695, 140.514058085582 36.1491466024069, 140.513946508604 36.1481122504521, 140.514945171113 36.1486300242329)) ^^http://www.opengis.net/ont/geosparql#wktLiteral