Googleshare
Encyclopedia
Googleshare is a measure of mindshare
Mind share
Mind share, or the development of consumer awareness or popularity, is one of the main objectives of advertising and promotion. When people think of examples of a product type or category, they usually think of a limited number of brand names. For example, a prospective buyer of a college education...

 based on the results of Google
Google
Google Inc. is an American multinational public corporation invested in Internet search, cloud computing, and advertising technologies. Google hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program...

 search engine
Search engine
A search engine is an information retrieval system designed to help find information stored on a computer system. The search results are usually presented in a list and are commonly called hits. Search engines help to minimize the time required to find information and the amount of information...

 queries. It is a percentage measuring how closely one thing belongs to another according to page counts returned by Google
Google
Google Inc. is an American multinational public corporation invested in Internet search, cloud computing, and advertising technologies. Google hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program...

 (similar measures using other search engine
Search engine
A search engine is an information retrieval system designed to help find information stored on a computer system. The search results are usually presented in a list and are commonly called hits. Search engines help to minimize the time required to find information and the amount of information...

s are possible). The idea was proposed by Steven Berlin Johnson
Steven Berlin Johnson
Steven Berlin Johnson is an American popular science author.-Education:Steven Johnson attended the prestigious St. Albans School as a youth. He completed his undergraduate degree at Brown University, where he studied semiotics, a part of Brown's modern culture and media department...

 in a 2002 weblog post, and the term was coined by Gene Smith.

Example

For example you can query Google for "Beatles
The Beatles
The Beatles were an English rock band, active throughout the 1960s and one of the most commercially successful and critically acclaimed acts in the history of popular music. Formed in Liverpool, by 1962 the group consisted of John Lennon , Paul McCartney , George Harrison and Ringo Starr...

" and "Paul
Paul McCartney
Sir James Paul McCartney, MBE, Hon RAM, FRCM is an English musician, singer-songwriter and composer. Formerly of The Beatles and Wings , McCartney is listed in Guinness World Records as the "most successful musician and composer in popular music history", with 60 gold discs and sales of 100...

", versus "Beatles" and "Ringo
Ringo Starr
Richard Starkey, MBE better known by his stage name Ringo Starr, is an English musician and actor who gained worldwide fame as the drummer for The Beatles. When the band formed in 1960, Starr was a member of another Liverpool band, Rory Storm and the Hurricanes. He became The Beatles' drummer in...

", and see who has a higher Googleshare for "Beatles". All one needs to do is calculate the percentage of the page count with the extra keyword, compared to the page count without the extra keyword.

The calculation in this example runs as follows.

Query

Hits

Beatles
4,990,000

Beatles + Ringo

790,000


"Ringo"'s Googleshare of "Beatles" is therefore (790000 / 4990000) * 100 = 15.83%; over 15% of webpages mentioning "Beatles" also mention "Ringo". Compared to other randomly selected names, this is high -- we can therefore assume "Ringo" and "Beatles" are somehow connected, though correlation does not imply causation
Correlation does not imply causation
"Correlation does not imply causation" is a phrase used in science and statistics to emphasize that correlation between two variables does not automatically imply that one causes the other "Correlation does not imply causation" (related to "ignoring a common cause" and questionable cause) is a...

.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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