Tuesday, February 19, 2013

4Vs of Big Data

A Gartner report (and much of the IT industry) uses a 3V model to describe big data: 
"Big data are high-volume, high-velocity, and/or high-variety information assets that require new forms of processing to enable enhanced decision making, insight discovery and process optimization."    The data is highly variable (it may contain many patterns);  high volume (your source could generate gigabytes of data per minute); and contain high variety (of patterns).   

A good visualization of 3Vs was provided at this blog:

I also really like the fourth V that IBM lists on their website, which is rarely mentioned. This component is veracity. You need to be able to trust that the data is accurate and to be able to use it in making business decisions.  In my experience, this fourth V continues to be a challenge [for many software products] as large quantities of data often result in delayed reports or false positives in the analysis.



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