メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.187212990682 34.806599300787, 137.187478375067 34.8075207270014, 137.18484741317 34.8073474888345, 137.184983986503 34.8071671738503, 137.185052244193 34.8069305276153, 137.18510682655 34.8066262732954, 137.185120469071 34.8065248558922, 137.185134123207 34.806491048647, 137.185298058124 34.8065022909229, 137.185400210836 34.8059289969417, 137.18562580927 34.8059726248228, 137.185980996502 34.805983834749, 137.186280452576 34.8059701219899, 137.187183487591 34.8058668607453, 137.187155864389 34.8060850495419, 137.187155919239 34.8063216856718, 137.187212990682 34.806599300787)) ^^http://www.opengis.net/ont/geosparql#wktLiteral