メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.949035928668 37.6404087793186, 138.950076405839 37.6408031061932, 138.950095703862 37.6408104950409, 138.950106883207 37.6408146746963, 138.950138602712 37.6408266619444, 138.950976915081 37.6411641694773, 138.951693605119 37.6414501841734, 138.952257796724 37.6416745511097, 138.952833748179 37.6419032348349, 138.951816716573 37.642580377419, 138.951798421752 37.6425922726774, 138.949991499436 37.6437770039617, 138.949871452372 37.6438647488108, 138.946706832635 37.6459440797408, 138.946510950792 37.6457574317052, 138.946103889531 37.6453273191422, 138.945823959014 37.644956554526, 138.945536539612 37.6445538624297, 138.945156491274 37.6439420225943, 138.944919941861 37.6434869056442, 138.944800842998 37.6432575885683, 138.944630794332 37.6428123521998, 138.944603753543 37.6424930064584, 138.944608720088 37.6419137885916, 138.94469927585 37.6416604540699, 138.944793734992 37.6413571240838, 138.94504184973 37.640857097126, 138.945299086461 37.6404699499356, 138.945598063828 37.6400761681067, 138.945838919195 37.6397556700089, 138.946038579049 37.639548663285, 138.946209732874 37.6393485224983, 138.94790461159 37.6399873348643, 138.948257416807 37.6401204492178, 138.948478128105 37.6401987332337, 138.949035928668 37.6404087793186)) ^^http://www.opengis.net/ont/geosparql#wktLiteral