av Leider Cassiani för 1 år sedan
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What is Big data? big data is larger, more complex data sets, especially from new data sources.
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.
Twitter, Facebook and Instagram posts or messages
Velocity represents the speed at which data is processed and becomes accessible.
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.
Data from a medical experiment or trial
A large amount of data often has valuable information, how to achieve that value efficiently is a daily challenge.
Visualization is critical in today’s world. 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.
Charts and graphs
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.
CCTV audio and video files that are generated at various locations in a city
Refers to the size of the data sets that need to be
analyzed and processed, which are now frequently larger than terabytes and petabytes.
All credit card transactions on a day within Europe
