Foreword
Nearly 30 years ago, when I started my career, a 10 MB upgrade on a hard-disk drive was a big purchase and had to go through many approvals in the enterprise. The drawing office of a medium-sized engineering enterprise stored their drawings in this extra large storage! Over the years, storage became cheaper and bigger. The supply side proved the Moore's law and its variations accurately.
Much more has happened on the demand side though. User organizations have realized the potential of data and analytics. So, the amount of data generated at each level in the enterprise has gone up much more steeply. Some of this data comes through well-defined processes; on the other hand though, a large majority of it comes through numerous unstructured ...
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