メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.75784553347 35.4146869908711, 136.757393108049 35.4146957839869, 136.757398740197 35.4145683073375, 136.757544552579 35.4145667559089, 136.757543892982 35.4141518027734, 136.757230063753 35.4141575058086, 136.757224550988 35.4137247185978, 136.757228821004 35.4133813649836, 136.75727155976 35.4133753463169, 136.757749034494 35.4133872359285, 136.757791774796 35.4133894223417, 136.75784553347 35.4146869908711)) ^^http://www.opengis.net/ont/geosparql#wktLiteral