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CiNii Books APIを利用した
所蔵情報可視化	
 
大谷周平	
 長屋俊	
 林豊(Li:d tech)
Li:d tech	
 
•  “技術書を一緒に読もう”と同年代の3人+1
人で2011年スタート
•  遠隔地(茨城・京都・沖縄→福岡)なので
MLで情報やアイディアの共有
•  ブログでアウトプット
Lid: tech Blog
• 
• 
• 
• 

Katachi
ささくれ
めじるし。
よしなしごと
Li:d tech
Why?	
 
5/1 ブログエントリ.CiNii Books APIで所蔵館数	
 
が出力されない件など. ささくれ(林)
7/12 CiNii Books APIが改修されて所蔵館数の取
  	
 得可能に
8/2 某M課長から” CiNii Booksの全所蔵と所蔵
  	
 館数のグラフが欲しい”とのオファーが
Why	
 
8/11 NIIからCiNii Books の全データを提供して
  	
 	
 貰うのは時間的に厳しいことが判明
8/12 APIを使って900万件のデータ取得(長屋)
8/13〜 取得データを用いて可視化(林)
How?	
 
•  APIからシェルスクリプトを使って取得
•  APIから一度に取得できるデータは20万件
が上限
 →1年ごとに分割して取得
 →20万件を超える年は、ソート順をかえて
  再度取得、重複データを削除
Data Summary	
 
•  921万件の図書書誌と1億1321万個の所蔵
•  最も多く所蔵されている図書は
 「新英和大辞典」研究社,1974.(1077館)
•  350万件のレコードは所蔵館1のみ
Visualization CiNii
ウィルキン・グラフ	
 
京都大学人環・総人図書館	
 

国際京大学図書・情報センター	
 

天使大学図書館	
 

長岡工業高専図書館
http://haseharu.org/labs/rdbs/
Future Work	
 
•  いくつかの観点でさらなる分析
Ex.出版年や和洋別の分析、機関ごとのクラ
スタリング……

•  機関ごとの特徴がわかるような分析やツー
ルの開発
ぜひ、CiNiiの全データ
を取得できる機能を
m(__)m

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CiNii Books APIを利用した所蔵情報可視化