メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.44980646571 37.2700869863134, 138.449793703857 37.2701737142014, 138.449726485889 37.2706367793339, 138.449737463855 37.2709128942181, 138.449959883226 37.2715484241561, 138.450636343569 37.2720523520413, 138.451686236421 37.2725189755097, 138.453062824239 37.2730790672464, 138.453436003364 37.2734521937582, 138.454229075463 37.2741611503054, 138.4549813021 37.2748841622514, 138.455774216703 37.275919619369, 138.456387918644 37.2765247203288, 138.45537449014 37.276359893224, 138.452871650347 37.275103137001, 138.448422648312 37.2743109829988, 138.447823104936 37.2741710472427, 138.446755266522 37.2737966054545, 138.446293212854 37.2735470314097, 138.445825022096 37.2731628474422, 138.445575509572 37.2726740103888, 138.445500939652 37.2721254133141, 138.445538675 37.2717565308104, 138.445663791808 37.2714672429551, 138.445901343729 37.2711781484467, 138.446288778234 37.270918974341, 138.447175924478 37.2705803315896, 138.44779461287 37.2703442013851, 138.448285360816 37.2702375491797, 138.448954541032 37.2701532193775, 138.449305829607 37.2701311256446, 138.449707326129 37.2700956741911, 138.44980646571 37.2700869863134)) ^^http://www.opengis.net/ont/geosparql#wktLiteral