{"@context":{"owl":"http://www.w3.org/2002/07/owl#","bibo":"http://purl.org/ontology/bibo/","foaf":"http://xmlns.com/foaf/0.1/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/"},"@id":"https://ci.nii.ac.jp/ncid/BD18557254.json","@graph":[{"@id":"https://ci.nii.ac.jp/ncid/BD18557254#entity","@type":"bibo:Book","foaf:isPrimaryTopicOf":{"@id":"https://ci.nii.ac.jp/ncid/BD18557254.json"},"dc:title":[{"@value":"なぜ地球は丸いの?"},{"@value":"ナゼ チキュウ ワ マルイノ","@language":"ja-hrkt"}],"dc:creator":"河野哲也 [ほか著]","dc:publisher":[{"@value":"毎日新聞出版"}],"dcterms:extent":"124p","cinii:size":"19cm","dc:language":"jpn","dc:date":"2026","cinii:ncid":"BD18557254","cinii:ownerCount":"1","foaf:maker":[{"@id":"https://ci.nii.ac.jp/author/DA10998308#entity","@type":"foaf:Person","foaf:name":[{"@value":"河野, 哲也 "},{"@value":"コウノ, テツヤ","@language":"ja-hrkt"}]}],"bibo:owner":[{"@id":"https://ci.nii.ac.jp/library/FA006758","@type":"foaf:Organization","foaf:name":"立教大学 図書館","rdfs:seeAlso":{"@id":"https://opac.rikkyo.ac.jp/opac/opac_openurl/?ncid=BD18557254"}}],"prism:publicationDate":["2026.2"],"cinii:note":["表現種別: テキスト (ncrcontent), 機器種別: 機器不用 (ncrmedia), キャリア種別: 冊子 (ncrcarrier)"],"dc:subject":["NDC9:104","NDC10:104"],"foaf:topic":[{"@id":"https://ci.nii.ac.jp/books/search?q=%E5%93%B2%E5%AD%A6","dc:title":"哲学"},{"@id":"https://ci.nii.ac.jp/books/search?q=%E7%A7%91%E5%AD%A6","dc:title":"科学"}],"dcterms:isPartOf":[{"@id":"https://ci.nii.ac.jp/ncid/BB26267299#entity","dc:title":"子どもの哲学","@type":"bibo:Book"}],"dcterms:hasPart":[{"@id":"urn:isbn:9784620328553"}]}]}