Understanding big dataBy: Claire SherringtonQuoted statistics in this presented are from IBM Business Analytics Summit 2013
Big data is a collection of datasets so large and complex that itbecomes difficult to processusing on-hand databasemanagement tools or traditionaldata processing applications.Wikipedia.
OR .......the new term amonginformation technology circlesfor the vast quantities ofinformation now stored online,possibly forever...
So what is it ?Web pagesbrowsing habitssensor signalsSmartphone location trailsbioinformaticssocial networkscameras microphonessoftware logs..................
How big is BIG ?6204 million61,000+1006 million2 million30 hours
BatchNear timeReal timeStreamsTerabytesRecordsTransactionsTables, filesStructuredUnstructuredSemistructuredAll the above...3 sidesBig DataSizeVarietySpeed
So why should I care?“Big Data is really about newuses and new sights, not muchabout the data itself” says Rod ASmith (IBM)
Big data: the greater good or invasionof privacy?“There’s no bad data, only baduses of data,” says CraigMundie, a senior adviser atMicrosoft,
What can do I ?Remember that YOU decide what informationabout yourself to reveal, when, why, and towhom.Be conscious of Web security.Keep a "clean" e-mail address.Realize you may be monitored at work, avoidsending highly personal e-mail to mailing lists,and keep sensitive files on your home computer.