7 vs of Big Data

Honelako gehiago

Chapter 10

by Craig Gwin

Math 252 Measurement

by Amanda Hubbard

LARGE NUMBERS

by sasi kala

UML Basics

by Hend Khalid

7 vs of Big Data

Volumen 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.

Credit card transactions on a day within Europe.

Velocity of Big Data

Velocity refers to the speed with which data is generated.

Twitter messages or Facebook posts.

Variety of Big Data

It makes Big Data really big, coming from a great variety of sources.

The sources are

Semi structured

Structured

Example

Video files that are generated at various locations in a city.

Unstructured data

Veracity of Big Data

Veracity refers to the quality of the data that is being analyzed.

Is clasifided

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

Contains a high percentage of meaningless data.

Example

Data from a medical experiment or trial.

Visualization

Using charts and graphs to visualize large amounts of complex data is much more effective in conveying meaning than spreadsheets and reports chock-full of numbers and formulas.

Value of Big Data

A large amount of data often has valuable information, wich could be a challenge.