My Perspective

Open Materials
Tracker.

This tool provides a periodic analysis of Open Materials.

Restricted Items

36,257,044
125.90 PB • 174.32 PB Total

Openness Ratio (Size)

27.8%
48.42 PB of 174.32 PB Unrestricted

Media Distribution

Scope: All
Media TypeItemsRatio
texts57,486,605
47.9%
web23,206,621
19.3%
movies15,948,434
13.3%
audio15,656,092
13.0%
data7,168,591
6.0%
image5,434,044
4.5%
collection3,383,470
2.8%
software1,379,405
1.1%
etree288,769
0.2%
account1
0.0%

Growth Trajectory

My Perspective • Historical Trends & 7-Day Forecast

Texts
50.0M
Web
23.1M
Movies
15.9M
Audio
13.4M
Data
7.2M
Software
1.4M

Perspective Gap Analysis

CollectionMy ViewPublic ViewDifference
periodicals6,005,3242,375,667+3,629,657
internetarchivebooks8,770,7135,634,368+3,136,345
sim_microfilm4,793,4091,960,193+2,833,216
newspapers3,272,9652,865,522+407,443
inlibrary4,371,0394,334,456+36,583
USGovernmentDocuments9,231,0279,227,035+3,992
government-documents17,391,82217,388,292+3,530
journals2,325,5202,324,115+1,405
Comparison for mediatype:texts. Identifies collections where item counts differ between your authenticated view and the public view.