メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.363458345847 40.6800484564937, 141.36349784659 40.6800298409251, 141.364216666404 40.6808828274933, 141.364358143931 40.6810386587365, 141.364870976041 40.6816041778168, 141.364248888443 40.6819192362346, 141.363488890242 40.6823030364353, 141.36320615262 40.6819605532694, 141.362470267666 40.6823326253759, 141.362231084956 40.6822391579774, 141.361976019319 40.6821473822248, 141.361057548653 40.6818073140283, 141.360871703199 40.6817384367803, 141.360418053321 40.6815667207979, 141.360022670665 40.6814180250074, 141.359068773386 40.681065226553, 141.35848955499 40.6808631817033, 141.358771649255 40.6807114655578, 141.359617153727 40.6803159086069, 141.360450989091 40.6799258160669, 141.361253597868 40.6795502853015, 141.361204749743 40.6794845797384, 141.361768412098 40.6793098238075, 141.361974262541 40.6792444298099, 141.362200159637 40.6791719780991, 141.36241806263 40.6791230616936, 141.362743350663 40.6790740751811, 141.362823370185 40.6791838934781, 141.363458345847 40.6800484564937)) ^^http://www.opengis.net/ont/geosparql#wktLiteral