メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.243361622395 34.7171534633086, 135.243292393719 34.7173117387106, 135.243159665524 34.7176530370364, 135.242574583845 34.7173986596059, 135.242089820365 34.7171607141126, 135.242112557371 34.7169937719008, 135.242200743965 34.716821833494, 135.242216798035 34.7167924157285, 135.242286299755 34.7166589293928, 135.24243314443 34.7163603464666, 135.242660059454 34.7158966462523, 135.243766344347 34.7162286801284, 135.243582557165 34.7166424788201, 135.243361622395 34.7171534633086)) ^^http://www.opengis.net/ont/geosparql#wktLiteral