ASSIGNMENT:1 2K15/MC/027 A proper definition of “big

                        ASSIGNMENT:1                                       TOPIC :BIG DATA                                                                                                HITESH KUMAR                                                                                                                                               2K15/MC/027                                                                                                                                                                                                                                                                              A proper definitionof “big data” is difficult to achieve because projects, vendors, developers,and business professionals use it quite differently. With these things in mind,generally speaking, big data is: Bunch of large datasets Or a category of computing strategies and technologies that are used to handle large datasetsWhere “large dataset”means that a dataset too large to reasonably process on a single computer orstore with traditional tooling. This means that the common scale of bigdatasets is constantly shifting and may vary significantly from organization toorganization.Technology has taken over every fieldtoday resulting in huge data growth.

All of this data is valuable. 3 to 4million data is used every day. One machine can’t store and process this hugeamount of data therefore the need to understand big data and methods to storethis data arises.

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Big data is a hugeamount of data which can’t be processed using traditional systems of approach (computersystem) in a given time frame.  Here, big data is used tobetter understand customers and their behaviors and preferences. Companies arekeen to expand their traditional data sets with social media data, browser logsas well as text analytics and sensor data to get a morecomplete picture of their customers.There are specific attributesthat define big data. In most big data circles, these are the seven V’s: volume,variety,velocity,veracity,visibility,validityand variability.Now how bigdoes this data need to be? There’s a common misconception while referring theword bigdata. There’s not a threshold of data above which data will beconsidered as big data. It is referred to data that iseither in gigabytes, terabytes, petabytes, exabytes or size even larger thanthis.

This definition is wrong. Big data depends purely on the context it isbeing used in. Even a small amount of data can be referred to as big data. Forexample, you can’t attach a file to an email with a size of 50 MB. Thereforefor the email, this 50 MB is referred to as big data.A real-world example can be what goeson in an air traffic controller. They are personnel responsible for managingroutes and altitudes between different airlines.

Their main goal is to monitorthe speed, altitude, location etc of the aircraft and contact them if neededwhen something goes wrong. Now they receive huge amount of data every minutefrom different aircrafts and they have to make sense from that data within timeto avoid any accident. The size of the data is too big and there are timeconstraints on that data. In such conditions traditional techniques fail toprovide result and something more powerful is required.That’s why big data analyticstechnology is so important to heath care. By analyzing largeamounts of information – both structured and unstructured – quickly, healthcare providers can provide lifesaving diagnoses or treatment options almostimmediately.



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