The Four V's of Big Data | Enterprise Big Data Framework (2024)

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By Big Data Framework|Last Updated: July 2nd, 2024|

What is the difference between regular data analysis and when are we talking about “Big” data? Although the answer to this question cannot be universally determined, there are a number of characteristics that define Big Data.

The characteristics of Big Data are commonly referred to as the four Vs:

Volume of Big Data

The volume of data refers to the size of the data sets that need to be analyzed and processed, which are now frequently larger than terabytes and petabytes. The sheer volume of the data requires distinct and different processing technologies than traditional storage and processing capabilities. In other words, this means that the data sets in Big Data are too large to process with a regular laptop or desktop processor. An example of a high-volume data set would be all credit card transactions on a day within Europe.

Velocity of Big Data

Velocity refers to the speed with which data is generated. High velocity data is generated with such a pace that it requires distinct (distributed) processing techniques. An example of a data that is generated with high velocity would be Twitter messages or Facebook posts.

Variety of Big Data

Variety makes Big Data really big. Big Data comes from a great variety of sources and generally is one out of three types: structured, semi structured and unstructured data. The variety in data types frequently requires distinct processing capabilities and specialist algorithms. An example of high variety data sets would be the CCTV audio and video files that are generated at various locations in a city.

Veracity of Big Data

Veracity refers to the quality of the data that is being analyzed. High veracity data has many records that are valuable to analyze and that contribute in a meaningful way to the overall results. Low veracity data, on the other hand, contains a high percentage of meaningless data. The non-valuable in these data sets is referred to as noise. An example of a high veracity data set would be data from a medical experiment or trial.

Data that is high volume, high velocity and high variety must be processed with advanced tools (analytics and algorithms) to reveal meaningful information. Because of these characteristics of the data, the knowledge domain that deals with the storage, processing, and analysis of these data sets has been labeled Big Data.

Download the Enterprise Big Data Professional Guide for Free

The Enterprise Big Data Professional guide outlines key concepts and fundamental terminology about Big Data. The Guide introduces the six capabilities of the Enterprise Big Data Framework, and educates readers on the critical concepts behind Big Data technology.

This guide serves as the official reference guide for the Enterprise Big Data Professional examination, and is available for free.

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