メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.354779140817 43.0155851664118, 144.355157203642 43.0166301673507, 144.35532896143 43.0170958799157, 144.355704183053 43.0181077362151, 144.355929236084 43.0186742308683, 144.355231426623 43.0188567782223, 144.355211518477 43.0188575668816, 144.354528728529 43.018885254098, 144.353276966633 43.0189449927482, 144.352844659487 43.0189657422717, 144.351889783558 43.0190638906816, 144.351273455995 43.0191912562909, 144.350409738501 43.0194107901596, 144.35040385003 43.0194123755151, 144.349725600152 43.0177244557262, 144.349360578823 43.0166939689509, 144.348965514334 43.0156589700322, 144.349878357609 43.0154817945577, 144.350730404994 43.0153038290803, 144.351432958507 43.0151655968649, 144.352274690609 43.0149888650562, 144.35302495735 43.0148391962721, 144.353669198861 43.0146999834161, 144.354393971127 43.0145616757546, 144.354779140817 43.0155851664118)) ^^http://www.opengis.net/ont/geosparql#wktLiteral