"Making Visible the Invisible" Dewey Data Research


"Making Visible the Invisible" is a data analysis project at the Seattle Public Library active from 2005 to 2014. During this period, the circulation of books and media leaving the library are analyzed and visually mapped on an hourly basis. Visualizing the statistical information about what titles and topics are circulating provides a real-time living picture of the community in which the library is situated. (Project Description)

 

0005 books out of 0009 items checked out at 10:00, 06.16.2019

[0009] Total items checked out [0003] Dewey (non-fiction) Books [0002] Non-Dewey (fiction) Books
[0005] Total Books [0004] Media (dvd, cd, etc.) [0000] Misc

Dewey Decimal Classification Graph

This map highlights current circulating books according to their Dewey classification category in Generalities [0-99]; Philosophy & Psychology[100-199]; Religion [200-299]; Social Science [300-399]; Language [400-499]; Natural Science & Mathematics [500-599]; Technology & Applied Sciences [600-699]; Arts [700-799]; Literature [800-899]; Geography & History [900-999].


     

The top 3 Dewey categories this hour


  1   [829] Old English (Anglo-Saxon)
  1   [616] Diseases
  1   [895] Literatures of East + Southeast Asia

Hourly Histogram of Circulation Activities

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George Legrady, with Andreas Schlegel and August Black, October 2005