メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.037083950803 39.3483899037458, 141.0372756331 39.3478903246148, 141.037971721786 39.3476365948026, 141.038523703727 39.3474343478297, 141.038826551681 39.3473199458329, 141.039232159838 39.3472280919864, 141.03948831035 39.3478617187001, 141.039424977004 39.347937766029, 141.039232133286 39.3480424740176, 141.039041597987 39.3481074161669, 141.038762960897 39.3481344404472, 141.038313150023 39.3481618373096, 141.038186139997 39.3482075933125, 141.038118346898 39.3484317174824, 141.038045120965 39.3484736501212, 141.037903359661 39.3484967009505, 141.037610003575 39.3485123478951, 141.037477962195 39.3485125799725, 141.037083950803 39.3483899037458)) ^^http://www.opengis.net/ont/geosparql#wktLiteral