Events Detections and Usage Frequency

Michael Gleicher (email) and Xiujun Li (email)

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Introduction

This page is to show some examples about the relationship analysis of history events and 1-grams word usage frequency.

The idea is initially borrowed from Jean-Baptiste Michel's "Quantitative Analysis of Culture". Currently, the search engine is limited to 1-grams, and case sensitive either.


Web Search Service

I set up a simple web search engine for 1-grams:

http://sepc111.se.cuhk.edu.hk:8080/gbooks/


Examples                   Sports   Ι   Politics   Ι   Economy   Ι   People  Ι   Science

Examples from Science Paper

Example: slavery

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=slavery&submit=Search+Graph

Description:
Slavery during the Civil War (early 1860s).

Example: slavery

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=slavery&submit=Search+Graph

Description:
Slavery during the Civil Rights Movement (1955 - 1968).

Sports

Example: Olympics

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=Olympics&submit=Search+Graph

Description:
In the small trend graph, we can see some striking points (topper than its surrounding points.)
From the large detailed trend graph, we can get more accurate information, these points are:
1976's Montreal Summer Olympics, 1980's Moscow, 1988's Seoul, 1996's Atlanta, 2000's Sydney, 2004's Athens.

Politics

Example: China

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=China&submit=Search+Graph

Description:
In the small trend graph, we can see a point between 1963 - 1973, and the fluctuations in this period.
From the large detailed trend graph, we can get more accurate information, it is 1967, the corresponding event in China history is Cultural Revolution.

Economy

Example: Recession

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=Recession&submit=Search+Graph

Description:
In the small trend graph, we can see some ups and downs points.
From the large detailed trend graph, we can get more accurate information, these points are:

1974 - 1977 (stock market crash, Secondary banking crisis), 1982 - 1985 (Latin American debt crisis, Bank stock crisis),
1989 - 1991 (US Savings&Loan crisis, Japanese asset price bubble), 1992 - 1995 (Black Wednesday, Economic crisis in Mexico),
1997 - 2000 (1997 Asian Financial Crisis, 1998 Russian financial crisis).

Example: Recession

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=Recession&submit=Search+Graph

Description:
In the small trend graph, we can see a striking point and some fluctuations followed, it is the famous Great Depression from 1929 to early 1940s.

People

Example: Bush

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=Bush&submit=Search+Graph

Description:
In the small trend graph, we can see two peaks:
One is in George H. W. Bush's administration period (1989-1993), and the other is in George W. Bush's administration (2001-2009).

Science

Example: Flu

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=Flu&submit=Search+Graph

Description:
In the small trend graph, we can see a series of sharp fluctuation - it is about Russian Flu happened in 1889 - 1890.

Example: Relativity

http://sepc111.se.cuhk.edu.hk:8080/gbooks/search.php?keyword=Relativity&submit=Search+Graph

Description:
In the small trend graph, we can see a point near 1903.
From the large detailed trend graph, we can get that it is 1905, the corresponding event in history is Einstein's Theory of Relativity.