ひたちなか市http://www.w3.org/ns/prov#wasDerivedFromhttp://en.wikipedia.org/wiki/Hitachinaka,_Ibaraki?oldid=543724935http://xmlns.com/foaf/0.1/depictionhttp://upload.wikimedia.org/wikipedia/commons/7/79/Hitachinaka_in_Ibaraki_Prefecture_Ja.svghttp://xmlns.com/foaf/0.1/isPrimaryTopicOfhttp://en.wikipedia.org/wiki/Hitachinaka,_Ibaraki。