メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.463615125451 40.5877649384226, 140.463627810595 40.5879079522635, 140.463659292929 40.5882865236756, 140.463673638345 40.5884590236749, 140.46368048662 40.5885352469434, 140.463725175078 40.5890336842711, 140.461117786939 40.5893769891191, 140.461066940879 40.5888896467641, 140.461046748947 40.5886700560275, 140.46099612573 40.5881428205162, 140.460813076246 40.586849490467, 140.462195185619 40.5866324714623, 140.463520109239 40.586457012931, 140.463529926648 40.586805821785, 140.463575242282 40.5873158720688, 140.463615125451 40.5877649384226)) ^^http://www.opengis.net/ont/geosparql#wktLiteral