メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.792712157452 34.7842858388573, 135.790369694133 34.7842521145734, 135.790362845699 34.7839623496041, 135.790389587419 34.7833156971717, 135.790510203056 34.7833509787625, 135.790698264805 34.7833490476954, 135.790905478752 34.7833178498263, 135.79175583173 34.7833102888343, 135.791955980052 34.783339648307, 135.793219106135 34.7834206781849, 135.792952780553 34.7836226453519, 135.792858882395 34.7837248930373, 135.792795167669 34.7838505745799, 135.792747253115 34.7840148796156, 135.792724045597 34.7841220360989, 135.792712157452 34.7842858388573)) ^^http://www.opengis.net/ont/geosparql#wktLiteral