メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.928749554745 35.4758199083829, 136.928057972803 35.4758340004235, 136.928039399544 35.4751206501791, 136.928015838426 35.474214473134, 136.929294056772 35.4742023813381, 136.930070913263 35.474196513169, 136.931115373725 35.4741662685286, 136.931117266012 35.4742038773329, 136.931102301751 35.4743998700843, 136.93111435502 35.4749052477318, 136.931117123189 35.4757937072529, 136.930415737312 35.4757970199669, 136.929610959659 35.475808187791, 136.928749554745 35.4758199083829)) ^^http://www.opengis.net/ont/geosparql#wktLiteral