What isBig Data?

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Imagine a car thatcan analyze data about road conditions by itself.

It knows the degree of the exploitation ofits individual components...

…It records driver’s heart rate and breathing frequency...

It collects data on its speed andacceleration.

This information allows to increase driving safety ...

... avoid an accident...

... bypass traffic jams.

Those cars are not a dream.

Automotive companies have started to produce them..

Innovative technology which makes it possible

is called

It is a rapidly growingmethod of data analysis, which is

used in business, local government and politics.

How to define Big Data?

This term refers to the collection of data,which, due to its large-scale,can not be analyzedby using traditional tools.

As defined by Forrester the Big Dataconsists of four dimensions - the so-called

4V:• volume - amount of the data• variety - variety of the data• velocity - rate of incoming new

information and analysis• value - value of the data

VolumeBig Data applies to large datasets

(measured in terabytes or petabytes).

Volume

Variety

These data come from different sources, which may be inconsistent with each other.

Velocity

Data analysis is carried out in time close to real.

ValueFrom the whole mass of irrelevant informationBig Data extracts the most important.

Thus Big Data analyzes variety of essential information stored in different datasets.

The result is the knowledge,which allows to takethe best possible decision.

An example of this technology isThe New York City, where mayor Mike Bloomberg

has set up an entity to deal with Big Data.

The New York City gathers plenty of diverse information about the city:

... number of buildings, their condition and typeof business...

...wi-fi hot-spots locations...

... the number of crimes in different areas...

... population in a given area and itsethnicity...

... taxes paid by them and schools their

children go to.

All the information (and a plenty of other) is contained in many different, inconsistent data

sets.

The use of Big Data - by combining information and analysis - allows to draw conclusions.

As a result, the detection rate of illegal tobacco selling shops doubled …

… the process of removing trees damaged by Hurricane Sandy was accelerated …

… building inspectors were sent to places where there was a high probability of fires.

 Big data makes administration of the city more effective and efficient.

And what are the benefits in other areas?

In finance:minimizing the risk of the loan.

In marketing:better identification of needs.

In politics:helps to achieve electoral aims.

Barack Obama also uses it.

Thus the applicability of the data is so extensive.

According to IDC forecasts, Big Data market will grow from $ 3.2 billion in 2010 to 16.9 billion in

2015.

If these predictions come true, Big Data will become a true technology of the future.

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