メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.904622306828 35.2956353841762, 136.90241529536 35.2962263982596, 136.902493739058 35.2949815671252, 136.903322463872 35.2950809220359, 136.903578190032 35.2950766237579, 136.903812285422 35.2950610090929, 136.904386019148 35.2949502207145, 136.90493322703 35.2948207790353, 136.905072980605 35.2947872095694, 136.905941988586 35.2945996581544, 136.906630869966 35.2944527679589, 136.906888586967 35.2952763623581, 136.907221865681 35.2962752486164, 136.907603652788 35.2974261385969, 136.90763459419 35.2974205002432, 136.907638146299 35.2974313535958, 136.907007207864 35.2975567533744, 136.906538376591 35.2969023616502, 136.906130998628 35.2962260583812, 136.905471018605 35.2962623725197, 136.905347985732 35.2954466836325, 136.905047030513 35.2955458875839, 136.904622306828 35.2956353841762)) ^^http://www.opengis.net/ont/geosparql#wktLiteral