メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.571095648107 34.6723007024114, 135.571770267347 34.6722764500666, 135.571840672615 34.6722702171618, 135.571862463662 34.672268322046, 135.572051385622 34.6722499685514, 135.572038415956 34.6744663646481, 135.571824737129 34.6744736437233, 135.571192239047 34.6744933964835, 135.569701378789 34.6745473086882, 135.568522625699 34.6745924471269, 135.568497656604 34.6741445625939, 135.568481204128 34.6736982578375, 135.568444411358 34.6728076060587, 135.568423649615 34.6723872043126, 135.569615547592 34.6723497205389, 135.570592496785 34.672318793424, 135.571095648107 34.6723007024114)) ^^http://www.opengis.net/ont/geosparql#wktLiteral