Google Fusion Tables
Encyclopedia
Google Fusion Tables is a Web service provided 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...

 for data management. Data is stored in multiple tables that Internet users can view and download.
The Web site opened in the northern hemisphere summer of 2009 announced by Alon Halevy and Rebecca Shapley.

The Web service provides means for visualizing the data with pie chart
Pie chart
A pie chart is a circular chart divided into sectors, illustrating proportion. In a pie chart, the arc length of each sector , is proportional to the quantity it represents. When angles are measured with 1 turn as unit then a number of percent is identified with the same number of centiturns...

s, bar chart
Bar chart
A bar chart or bar graph is a chart with rectangular bars with lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally....

s, lineplots, scatterplot
Scatterplot
A scatter plot or scattergraph is a type of mathematical diagram using Cartesian coordinates to display values for two variables for a set of data....

s, timeline
Timeline
A timeline is a way of displaying a list of events in chronological order, sometimes described as a project artifact . It is typically a graphic design showing a long bar labeled with dates alongside itself and events labeled on points where they would have happened.-Uses of timelines:Timelines...

s as well as geographical maps.
Data is exported in a comma-separated values
Comma-separated values
A comma-separated values file stores tabular data in plain-text form. As a result, such a file is easily human-readable ....

 file format.

The Web service was further described in a scientific paper in 2010.

Size of uploaded data sets is currently limited to 250 MB
Megabyte
The megabyte is a multiple of the unit byte for digital information storage or transmission with two different values depending on context: bytes generally for computer memory; and one million bytes generally for computer storage. The IEEE Standards Board has decided that "Mega will mean 1 000...

 for each user

In the 2011 upgrade of Google Docs Fusion Tables became a default feature, under the title 'Tables (beta)'.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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