メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.327993534308 38.4924466511852, 141.321460299676 38.4904591473681, 141.321112725968 38.4903534711996, 141.317972620943 38.4892858355943, 141.312310114394 38.4897860991896, 141.312250607614 38.489534926854, 141.312162155264 38.4889747395123, 141.311699080211 38.4883131822923, 141.310953314374 38.4871605012968, 141.310566001734 38.4865850630419, 141.309585743399 38.4855241264576, 141.309060257029 38.4844554221322, 141.308613616656 38.4835225180927, 141.308567267312 38.4833377328879, 141.311808154061 38.4828522342166, 141.315172879817 38.4822937775345, 141.316525669186 38.4820691565684, 141.318123137618 38.4812048277823, 141.318261408394 38.4811300679418, 141.318695718448 38.480895008797, 141.325086093094 38.4774360444279, 141.325228046855 38.4775382102988, 141.325479583241 38.4776358322188, 141.325891767477 38.4777523447905, 141.328349883564 38.487243551761, 141.327993534308 38.4924466511852)) ^^http://www.opengis.net/ont/geosparql#wktLiteral