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NDC Rader 
~日本語テキストの日本十進分類 
レーダーチャートによる可視化ア 
プリケーション~ 
Code4lib japan 2014 
conference 
国立情報学研究所前田朗 
maeda@nii.ac.jp
レーダーチャート(Not 円グラフ)による 
図書分類表活用の可能性 
NDC Raderは、日本語テキストを日本十進分類のレーダー 
チャートで可視化するWebアプリケーションです 
日本語 
テキスト 
日本語 
テキスト 
NDC Rader 
レーダーチャートなら複数情報の比較が容易!
Not 機械学習(簡単に実装可!) 
NDC Raderは日本十進分類や国立国会図書館件名標目がベース 
NDC 
Rader 
は 
日本 
十進 
分類 
や 
国立 
国会 
図書館 
件名標目 
が 
ベース 
件名A 
件名B 
件名C 
標目形α 
標目形β 
分類1 
分類2 
標目形γ 分類3 
①テキストの 
単語分割 
②国立国会図書館件名標目 
と分割単語のマッチング 
③分類集計・ 
レーダーチャート化 
国立国会図書館件名標目表は件名標目形に日本十進分類がつく
NDL Raderは有用です! 
情報可視化の汎用ツールとして 
日本語テキスト同士の比較ができます 
用途に特化した応用も可能 
CiNii収録の雑誌タイトル同士の特色比較
デモンストレーション
[デモ1] NDC Rader 
日本語のテキストの内容の特色を日本十進 
分類表のレーダーチャートで可視化
NDC Rader [シンプルに使う!] 
別ウインドウでチャート表示 
①解析対象テキスト 
(日本語)を入力 
②データのタイトルを 
入力(省略可能) 
③「チャート出力」 
ボタンをクリック
NDC Rader [2次区分選択] 
レーダーチャートが 
日本十進分類の指定した2次区分に 
プルダウンメニューで 
日本十進分類2次区分を選択
NDC Rader [複数テキストの比較] 
①「比較対象追加」を 
クリック 
②テキスト入力欄が 
追加される 
レーダーチャートが 
複数データ比較になる
[デモ2] NDC Rader Journal 
和雑誌タイトルの特色を日本十進分類の 
レーダーチャートで可視化 
CiNii Articleの雑誌名検索ヒットの先頭200論題を使用
NDC Rader Journal [雑誌検索] 
雑誌をキーワード検索
NDC Rader [雑誌選択] 
検索結果一覧から 
ひとつを選択
NDC Rader Journal [雑誌選択完了] 
雑誌の選択が完了
NDC Rader Journal [比較対象追加] 
①「比較対象追加」を 
クリック 
②雑誌検索窓が 
追加される
NDC Rader Journal [比較対象雑誌雑誌検索結果] 
①雑誌をキーワード検索 
②検索結果一覧から 
ひとつを選択
NDC Rader Journal [追加雑誌選択完了] 
雑誌の選択が完了
NDC Rader Journal [オプション選択] 
①日本十進分類表の2 
次分類と、単語切り出 
し方式を選択可 
②全ての設定が完了したら 
「チャート出力」をクリック
NDC Rader Journal [結果グラフ] 
「大学の図書館」は教育寄り?
図書館業界人として考えたいこと 
図書館資源の活用 
インターネット時代でも生かしていけるもの 
がないか→ 図書館員自身が考えないと埋 
もれてしまうのでは? 
雑誌の性格比較 
図書館のコンテンツの見せ方の工夫 
出版元への付加価値提供
Powered By 
 CiNii Articles 論文検索のOpenSearch 
 http://ci.nii.ac.jp/info/ja/api/a_opensearch.html 
 MARC::NDLSH (自作) 
 https://mbc.dl.itc.u-tokyo.ac.jp/MARC-NDLSH/ 
 KAKASI 
 http://kakasi.namazu.org/index.html.ja 
 茶筅 
 http://chasen-legacy.sourceforge.jp/ 
 HML5.JP レーダーチャート 
 http://www.html5.jp/library/graph_radar.html 
Related 
 国立国会図書館件名標目タガー 
 https://mbc.dl.itc.u-tokyo.ac.jp/NDLSH_tagger/ 
Thanks for 
 図書系職員のためのアプリケーション開発講習会 
 https://mbc.dl.itc.u-tokyo.ac.jp/products.html
ふろく 
~NDC Rader Journalによる 
雑誌タイトル比較結果例~ 
※ 比較は、比較対象雑誌のCiNii収録最新の200タイトルの論題を元 
に行ったものです。
[例1] 雑誌「自然と農業」と「機械化農業」を 
日本十進分類表の1次区分で比較
[例2] 雑誌「経済論叢」と「広島大学経済論叢」を 
日本十進分類表の1次区分で比較
[例3] 雑誌「大学の図書館」と「情報の科学と技術」を 
日本十進分類表の2次区分「自然科学」で比較
[例4] 雑誌「建築ジャーナル」と「新建築」を 
日本十進分類表の2次区分「自然科学」で比較
[例5] 雑誌「生化学」と「蛋白質核酸酵素」を 
日本十進分類表の2次区分「自然科学」で比較
ご清聴ありがとうござい 
ました 
NDC Rader 自己評価

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NDC Rader ~日本語テキストの日本十進分類レーダーチャートによる可視化アプリケーション~