メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.254720646891 36.1378507435357, 137.254707239652 36.1380065767026, 137.254684504589 36.1382240556656, 137.254654369666 36.138512215284, 137.253956978904 36.1384709290567, 137.253704629057 36.1384603392781, 137.253425698712 36.138437790192, 137.25351282235 36.1378362429194, 137.253527724767 36.1377096825255, 137.253656888901 36.1367089051116, 137.254057165617 36.1367682528949, 137.25408692573 36.1365148147363, 137.25426065886 36.1365273361443, 137.254307731119 36.1361886227277, 137.254998087063 36.136259530763, 137.255011468502 36.1362609034479, 137.25523077602 36.1362945646733, 137.255011852324 36.137843091092, 137.254720646891 36.1378507435357)) ^^http://www.opengis.net/ont/geosparql#wktLiteral