An result at Open Data Hack SJ Saturday, February 21, 2015 from 9:30 AM to 5:00 PM (PST) San Jose, CA

1. Extract and Analyze Culture/Trend Data
from SJPL Digital Collection
Theme: Helping San Jose Public Library figure out how to make
the California Room Digital Collections more open, engaging, hackable,
linkable, browsable, tag-able, map-able and responsive.
Open Data Hack SJ
Saturday, February 21, 2015 from 9:30 AM to 5:00 PM (PST)
San Jose, CA
Hiroyuki Sato @sa2hi

2. OPEN DATA
• SJPL DIGITAL COLLECTIONS
• California room
• School Yearbooks
• http://www.sjpl.org/yearbooks
• Digital Data is available for San Jose High School Yearbook (1902-
1929)
• http://digitalcollections.sjlibrary.org/cdm/landingpage/collection/sjplyb

4. What I wanted to do / I did
• Can we see a culture/trend from the Digital Collection?
• Extract the data related to athletic teams
• Count manually the numbers of people for each sport team on yearbooks…
• https://docs.google.com/spreadsheets/d/1GhCA-I6mRZ1rs-
ORHNt1ktfrd3qn9OB4h7JeqJlaYn4/edit#gid=0
• Visualize the data

5. An Example of Original Data (1)

6. An Example of Original Data (2)

7. 1905 1910 1915 1920 1925
Transition of numbers of team members for each sport

8. Issues
• A lot of missing years
• Need more meta data
• Need automated detailed metadata extraction technologies from picture and
text
• Need population/total numbers of school people to compare a data
with a data for different year
• Need other schools digital data