メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.803088623754 38.7847232162833, 139.802790906387 38.7848727562213, 139.80236293153 38.7851258720467, 139.802032871466 38.7852482389013, 139.801582690085 38.7853758805119, 139.800127115709 38.7858205056779, 139.799548533392 38.7859658670973, 139.798851730262 38.7859784292535, 139.798409386891 38.7859549515924, 139.798209178723 38.7859392459657, 139.798096270773 38.7858996783344, 139.79790485806 38.7858478740105, 139.797600239476 38.7858765675553, 139.797055110891 38.7859218512494, 139.796366040359 38.7859596597635, 139.796109710043 38.7859699117748, 139.795782181625 38.7859167524478, 139.795397458832 38.7859447248945, 139.795238420971 38.785868145632, 139.795047105332 38.7858100010658, 139.794902617636 38.7858401066081, 139.794581456499 38.7858998895469, 139.794372954695 38.7859230903814, 139.793950586944 38.7857877238252, 139.793786549695 38.7857831672166, 139.793256613304 38.7858850057202, 139.792816242908 38.7858872780066, 139.792435012017 38.7840227573771, 139.793668137352 38.7838558154221, 139.795062462104 38.7837023975774, 139.794724126548 38.7819892981439, 139.796722063514 38.7817393116858, 139.799389612744 38.7814265028152, 139.802093525856 38.7811093094421, 139.802459932673 38.78277772794, 139.802742365431 38.7841778197118, 139.803088623754 38.7847232162833)) ^^http://www.opengis.net/ont/geosparql#wktLiteral