メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.311106084656 43.0708591536602, 141.311115467266 43.0708917931088, 141.311178472288 43.0711445097934, 141.311266280244 43.07144412843, 141.311061755286 43.071563697769, 141.310377416904 43.0719638072548, 141.310284300039 43.0720182505862, 141.308920337358 43.0728156108313, 141.308836041884 43.0728638663208, 141.308626701642 43.0729840246218, 141.308035552835 43.0733231381843, 141.307807872578 43.0731284682795, 141.307747687768 43.0730770081764, 141.307493501579 43.0728305211088, 141.307477449197 43.072811507871, 141.307459299492 43.0727900125787, 141.307416993556 43.072739940962, 141.307114636536 43.0723819369418, 141.306545952293 43.0717129219712, 141.306861118924 43.0715667738451, 141.30720903475 43.0714055640929, 141.307304782568 43.0713611308723, 141.307680811425 43.0711869289846, 141.307817812181 43.0711234247078, 141.308136498361 43.0709787801618, 141.308436444143 43.070842559523, 141.308579136556 43.0707831809159, 141.308818785075 43.0707318436609, 141.308851797635 43.0707247298967, 141.309165759913 43.0706729519758, 141.309205997339 43.0706663161172, 141.309449646804 43.0706229568198, 141.309742286764 43.0705690287437, 141.309988546383 43.070524353818, 141.310111580147 43.0705019446976, 141.310921542045 43.070354926769, 141.310966414178 43.0704443313858, 141.31101427369 43.0705517656357, 141.311080923043 43.0707227901759, 141.311106084656 43.0708591536602)) ^^http://www.opengis.net/ont/geosparql#wktLiteral