メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.996059014016 34.9801610891472, 136.996057441163 34.9801664396486, 136.995956381313 34.9806156761336, 136.995794081153 34.9809051726183, 136.995719099618 34.9810361970498, 136.994569084615 34.9808086310372, 136.994786004838 34.9803738577794, 136.995051047547 34.9798125991376, 136.995272578454 34.9793435343809, 136.995577982802 34.9794417903054, 136.99606930313 34.9796193965155, 136.996261333007 34.9796696701602, 136.996139016869 34.9799543652367, 136.99609830845 34.9800270561321, 136.996059014016 34.9801610891472)) ^^http://www.opengis.net/ont/geosparql#wktLiteral